The following discussion of the financial condition and results of operations
should be read in conjunction with the consolidated financial statements and the
related notes thereto included elsewhere in this Annual Report. In addition to
historical information, this discussion and analysis contains forward-looking
statements that involve risks, uncertainties and assumptions. We caution you
that forward-looking statements are not guarantees of future performance, and
that our actual results of operations, financial condition and liquidity, and
the developments in our business and the industry in which we operate, may
differ materially from the results discussed or projected in the forward-looking
statements contained in this Annual Report. We discuss risks and other factors
that we believe could cause or contribute to these potential differences
elsewhere in this Annual Report, including under Part I, Item 1A. "Risk Factors"
and under "Special Note Regarding Forward-Looking Statements." In addition, even
if our results of operations, financial condition and liquidity, and the
developments in our business and the industry in which we operate are consistent
with the forward-looking statements contained in this Annual Report, they may
not be predictive of results or developments in future periods. We caution
readers not to place undue reliance on any forward-looking statements made by
us, which speak only as of the date they are made. We disclaim any obligation,
except as specifically required by law and the rules of the SEC to publicly
update or revise any such statements to reflect any change in our expectations
or in events, conditions or circumstances on which any such statements may be
based, or that may affect the likelihood that actual results will differ from
those set forth in the forward-looking statements.

Overview



We are a clinical-stage biotechnology company focused on pioneering a new
approach to treat complex diseases using compositions of endogenous metabolic
modulators, or EMMs. Our product candidates are comprised of multiple EMMs that
are engineered in distinct combinations and ratios with the goal of
simultaneously impacting multiple biological pathways. Our pipeline includes
lead therapeutic candidates for the treatment of non-alcoholic steatohepatitis,
or NASH, and for the treatment of Long COVID (also known as Post COVID-19
Condition and Post-Acute Sequelae of COVID-19, or "PASC") associated fatigue.

In December 2022, we announced that we discontinued our EMMPACT Phase 2b
clinical trial of AXA1125 for the treatment of NASH to focus on AXA1125 for the
treatment of Long COVID associated fatigue. We also announced a corporate
restructuring and that we have initiated a process to explore a range of
strategic alternatives to maximize shareholder value and we have engaged an
investment bank to act as a strategic advisor for this process. We expect to
devote substantial time and resources to exploring strategic alternatives that
our board of directors believes will maximize enterprise value. Despite devoting
significant efforts to identify and evaluate potential strategic alternatives,
there can be no assurance that this strategic review process will result in us
pursuing any transaction or that any transaction, if pursued, will be completed
on attractive terms or at all. We have not set a timetable for completion of
this strategic review process, and our board of directors has not approved a
definitive course of action. Additionally, there can be no assurances that any
particular course of action, business arrangement or transaction, or series of
transactions, will be pursued, successfully consummated or lead to increased
stockholder value or that we will make any additional cash distributions to our
stakeholders.

Also, in December 2022, we reduced our workforce by 52 positions, (representing
approximately 85% of employees), leaving a core team of individuals to lead the
strategic review process.

Funding Overview

Since our inception, we have focused substantially all of our resources on
building our proprietary platform, establishing and protecting our intellectual
property portfolio, conducting research and development activities, developing
our manufacturing process and manufacturing product candidate material,
organizing and staffing our company, business planning, raising capital and
providing general and administrative support for these operations. We do not
have any products approved for sale and have not generated any revenue from
product sales. To date, we have funded our operations with proceeds from the
sale of preferred stock and issuance of debt and with proceeds from our public
offerings.

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In May 2019, we completed our IPO pursuant to which we issued and sold 3,571,428
shares of common stock. We received proceeds of $64.5 million after deducting
underwriting discounts and commissions and other offering expenses.

In May 2020, we completed a follow-on public offering pursuant to which we issued and sold 12,650,000 shares of common stock. We received proceeds of $55.9 million, after deducting underwriting discounts and commissions and other offering costs.



In June 2020, we entered into a sales agreement with SVB Leerink LLC pursuant to
which we may offer and sell shares of our common stock having an aggregate
offering price of up to $35.0 million from time to time through SVB Leerink. As
of December 31, 2022, we sold an aggregate of 3,285,308 shares of common stock
under the ATM Offering for net cash proceeds of $14.7 million after deducting
commissions and expenses of $0.9 million.

In March 2022, we secured $24.8 million in net proceeds after deducting
estimated offering expenses through a registered direct offering with certain
institutional purchasers and certain directors and officers of the company named
therein. In the registered direct offering, we sold 13,089,002 shares of common
stock, at a purchase price of $1.91 per share.

In September 2022, we issued convertible notes in an aggregate principal amount of $6.0 million to existing investor Flagship Pioneering.



In September 2022, we paid SLR approximately $6.4 million, including principal,
accrued interest, fees and costs, under the loan and security agreement. In
October 2022, the interest only period was extended from January 2023 to July
2023 as we satisfied an equity related condition under the loan and security
agreement.

In October 2022, we secured $28.1 million in net proceeds after deducting
estimated offering expenses through a registered direct offering of common
stock. As part of the registered direct offering, the $6.0 million convertible
notes held by funds associated with Flagship Pioneering were automatically
converted into our common stock. In total, we sold 20,847,888 shares of common
stock at a purchase price of $1.64 per share.

On December 15, 2022, pursuant to a payoff letter, we voluntarily accelerated
the debt and paid approximately $21.0 million, in full satisfaction of all
obligations, including all outstanding principal, accrued interest, fees, costs,
expenses and other amounts chargeable, under the loan and security agreement.

Since our inception, we have incurred significant operating losses. We reported
net losses of $81.2 million and $64.6 million for the years ended December 31,
2022 and 2021, respectively. As of December 31, 2022, we had an accumulated
deficit of $418.4 million. Further, our cash resources have been depleted due to
the $27.4 million used to extinguish our long-term debt and satisfy our
obligations under the loan and security agreement with SLR. As of December 31,
2022, we had cash and cash equivalents of $17.1 million. Based on our current
financial resources and forecasted operating plan, we believe that we will be
able to operate into the second quarter of 2023. We expect our corporate
restructuring will reduce our operating expenses with the goal of allowing us to
pursue any viable strategic alternatives. There is no guarantee that this plan
will be successful. We may not be able to successfully pursue any strategic
alternatives and, even if certain strategic alternatives may be available, we
cannot provide any assurance that the strategic alternatives review process will
result in any particular alternative, transaction or value.

As noted elsewhere in this report, there is substantial doubt as to our ability
to fund our planned operations for the next twelve months and to continue to
operate as a going concern. We have assessed our ability to continue as a going
concern, and, based on our need to raise additional capital to finance our
future operations, recurring losses from operations incurred since inception,
and expectation of continuing operating losses for the foreseeable future, as of
March 30, 2023, the issuance date of the consolidated financial statements for
the year ended December 31, 2022, we have concluded that there is substantial
doubt about our ability to continue as a going concern for a period of one year
from the date that these consolidated financial statements are issued.

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We will not generate revenue from product sales unless and until we successfully
complete clinical development and obtain regulatory approval for any product
candidates we may develop. If we obtain regulatory approval for any such product
candidates, we expect to incur significant expenses related to developing our
commercialization capability to support product sales, marketing and
distribution.

Because of the numerous risks and uncertainties associated with pharmaceutical
product development, we are unable to accurately predict the timing or amount of
increased expenses or when, or if, we will be able to achieve or maintain
profitability. Even if we are able to generate product sales, we may not become
profitable. Even if we are able to continue operations beyond the next twelve
months, if we fail to become profitable or are unable to sustain profitability
on a continuing basis, then we may be unable to continue our operations at
planned levels and be forced to reduce or terminate our operations.

COVID-19 Pandemic



The extent to which COVID-19 impacts our business, operations or financial
results will depend on future developments, which are highly uncertain and
cannot be predicted with confidence, such as the duration of the pandemic, new
information that may emerge concerning the severity of COVID-19 or the nature or
effectiveness of actions to contain COVID-19 or treat its impact, among others.
We cannot presently predict the scope and severity of any potential business
shutdowns or disruptions. However, if we or any of the third parties with whom
we engage were to experience shutdowns or other business disruptions, our
ability to conduct our business in the manner and on the timelines presently
planned could be materially and negatively affected, which could have a material
adverse impact on our business, results of operations and financial condition.

Components of our Consolidated Results of Operations

Revenue



To date, we have not generated any revenue from product sales and do not expect
to generate any revenue from the sale of products in the near future. If our
development efforts for our product candidates are successful and result in
regulatory approval or we execute license or collaboration agreements with third
parties, we may generate revenue in the future from product sales, payments from
collaborations or license agreements that we may enter into with third parties,
or any combination thereof.

Research and Development Expenses



Our research and development expenses consist primarily of costs incurred in
connection with our research activities, including our drug discovery efforts,
and the development of our product candidates, which include:

•direct external research and development expenses, including fees, reimbursed
materials and other costs paid to consultants, contractors, contract
manufacturing organizations, or CMOs, and clinical research organizations, or
CROs, in connection with our clinical and preclinical development and
manufacturing activities;

•employee-related expenses, including salaries, related benefits and stock-based compensation expense for employees engaged in research and development functions;



•expenses incurred in connection with the preclinical and clinical development
of our product candidates, including any Clinical Studies, Clinical Trials and
other research programs, including under agreements with third parties, such as
consultants, contractors and CROs;

•the cost of developing and scaling our manufacturing process and manufacturing products for use in our preclinical studies, Clinical Studies and Clinical Trials, including under agreements with third parties, such as consultants, contractors and CMOs;


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•patent-related costs incurred in connection with filing and prosecuting patent applications; and

•facilities, depreciation and other expenses, which include direct and allocated expenses for rent and maintenance of facilities and insurance.



We expense research and development costs as incurred. We often contract with
CROs and CMOs to facilitate, coordinate and perform agreed-upon research,
design, development, and manufacturing of our product candidates. To ensure that
research and development costs are expensed as incurred, we record monthly
accruals for Clinical Studies, Clinical Trials and manufacturing costs based on
the work performed under the contract.

These CRO and CMO contracts typically call for the payment of fees for services
at the initiation of the contract and/or upon the achievement of certain
clinical or manufacturing milestones. In the event that we prepay CRO or CMO
fees, we record the prepayment as a prepaid asset and amortize the asset into
research and development expense over the period of time the contracted research
and development or manufacturing services are performed. Most professional fees,
including project and clinical management, data management, monitoring and
manufacturing fees are incurred throughout the contract period. These
professional fees are expensed based on their estimated percentage of completion
at a particular date. Our CRO and CMO contracts generally include pass through
fees. Pass through fees include, but are not limited to, regulatory expenses,
investigator fees, travel costs and other miscellaneous costs and raw materials.
We expense the costs of pass through fees under our CRO and CMO contracts as
they are incurred, based on the best information available to us at the time.

A significant portion of our research and development costs are not tracked by
project as they benefit multiple projects or our technology platform, and, as
such, are not separately classified.

We anticipate that our future research and development expenses will decrease
compared to 2022 levels due to the discontinuation of the NASH clinical trial
and reduction in workforce. Many factors can affect the cost and timing of our
Clinical Studies and Clinical Trials, including, without limitation, slow
patient enrollment and the availability of supplies, including as a result of
the COVID-19 pandemic, and real or perceived lack of effect on biology or safety
of our product candidates. In addition, the development of all of our product
candidates may be subject to extensive governmental regulation. These factors
make it difficult for us to predict the timing and costs of the further
development of our product candidates.

See "Risk Factors" for further discussion of these and additional risks and
uncertainties associated with product development and commercialization that may
significantly affect the timing and cost of our research and development
expenses and our ability to obtain regulatory approval for and successfully
commercialize our product candidates. We expect research and development
expenses to increase as we advance existing product candidates into additional
Clinical Trials and Clinical Studies and develop new product candidates.

General and Administrative Expenses



General and administrative expenses consist primarily of salaries, benefits,
travel and stock-based compensation expense for personnel in executive, finance
and administrative functions. General and administrative expenses also include
professional fees for legal, consulting, accounting and audit services.

We anticipate that our future general and administrative expenses will decrease from 2022 levels due to our corporate restructuring.

Impairment of Long-Lived Assets

Impairment of long-lived assets consists of:



•Costs attributable to the ceased use of our corporate offices. The impairment
was determined by comparing the fair value of the impacted asset group to their
carrying value as of the impairment measurement date.
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•Costs attributable to the return of leased laboratory equipment to the lessor in January 2023.



Restructuring Charge

In December 2022, we incurred restructuring charges in connection with the reorganization.

Interest Income

Interest income consists of interest earned on our investments in cash equivalents, money market funds, and high-quality fixed income securities.

Interest Expense



Interest expense consists of interest on outstanding borrowings under our loan
and security agreement, the amortization expense of the debt discount and debt
issuance costs, and interest paid for leased capital equipment.

Loss on Extinguishment of Debt



The loss on extinguishment of debt was related to charges upon the early
redemption of debt which consist of: unamortized debt issuance costs and
unamortized deferred financing fees; final fees due and payable to the lender;
and lender's legal fees. During 2022, we repaid all outstanding principal of
$26.0 million on our loan and security agreement. As such, we recognized a $1.5
million loss calculated as the difference between the carrying amount of the
debt and the total cash paid upon debt extinguishment.

In addition, we recognized an extinguishment loss of $0.1 million in the year
ended December 31, 2022 representing legal fees related to the conversion of
notes held by funds associated with Flagship Pioneering into common stock.

Income Taxes



Since our inception, we have not recorded any income tax benefits for the net
losses we have incurred in each year or for our research and development tax
credits, as we believe, based upon the weight of available evidence, that it is
more likely than not that all of our net operating loss, or NOLs, carryforwards
and tax credits will not be realized.

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Consolidated Results of Operations

Comparison of the Years Ended December 31, 2022 and 2021

The following table summarizes our consolidated results of operations for the years ended December 31, 2022 and 2021 (in thousands):


                                               Year Ended December 31,
                                                 2022               2021          Change
Operating expenses:
Research and development                 $      56,984           $  43,135      $  13,849
General and administrative                      15,815              18,711         (2,896)
Restructuring and impairment charges             4,189                   -          4,189
Total operating expenses                        76,988              61,846         15,142
Loss from operations                           (76,988)            (61,846)       (15,142)
Other income (expense):
Interest income                                    504                 139            365
Interest expense                                (3,021)             (2,917)          (104)
Loss on extinguishment of debt                  (1,601)                  -  

(1,601)


Other income (expense), net                        (80)                 (4) 

(76)


Total other income (expense), net               (4,198)             (2,782)        (1,416)
Net loss                                 $     (81,186)          $ (64,628)     $ (16,558)

Research and Development Expenses

The following table summarizes our research and development expenses incurred during the years ended December 31, 2022 and 2021 (in thousands):


                                                Year Ended December 31,
                                                   2022                2021         Change
Salary and benefits-related               $      14,571             $ 13,918      $    653
Clinical research and outside services           37,666               24,208        13,458
Facility-related and other                        4,747                5,009          (262)
Total research and development expenses   $      56,984             $ 

43,135 $ 13,849





Salary and benefits-related costs increased by $0.7 million due to higher
headcount and related compensation, offset in part by the reduction in force.
Clinical research and outside services costs increased by $13.5 million due to
expenses incurred for our Phase 2/2b clinical trials. Facility-related and other
costs decreased by $0.3 million due to lower corporate expenses.
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General and Administrative Expenses

The following table summarizes our general and administrative expenses incurred during the years ended December 31, 2022 and 2021 (in thousands):


                                                   Year Ended December 31,
                                                      2022                2021         Change
Salary and benefits-related                  $       8,821             $ 11,751      $ (2,930)
Other contract services and outside costs            5,923                5,833            90
Facility-related and other                           1,071                1,127           (56)
Total general and administrative expenses    $      15,815             $ 

18,711 $ (2,896)

Salary and benefits-related costs decreased by $2.9 million, primarily due to lower stock-based compensation expense from to the forfeiture of stock awards.

Restructuring and Impairment Charges

The following table summarizes our restructuring and impairment charges incurred during the years ended December 31, 2022 and 2021 (in thousands):



                                                           Year Ended 

December 31,


                                                           2022                2021               Change
Employee termination benefits                         $     1,858          $        -          $   1,858
Impairment of operating lease right-of-use assets           2,116                   -              2,116
Impairment of property and equipment                          215                   -                215
Total restructuring and impairment charges            $     4,189

$ - $ 4,189




In December 2022, we recorded charges of $1.9 million, $2.1 million and $0.2
million related to employee termination benefits, impairment of operating lease
right-of-use assets, and impairment of property and equipment, respectively,
following the reorganization. We paid $0.6 million of employee termination
benefits in December 2022 and we paid the remainder in January 2023. In total,
we paid approximately $1.9 million in employee severance benefits.

Other Income (Expense), Net



Other income (expense), net was a net expense of $4.2 million for the year ended
December 31, 2022, compared to a net expense of $2.8 million for the year ended
December 31, 2021. In December 2022, we recognized a $1.5 million loss upon
extinguishing our debt with SLR Investment Corp.

Liquidity and Capital Resources



Since our inception, we have incurred significant operating losses. We have not
yet commercialized any product candidates and we do not expect to generate
revenue from sales of any product candidates we may develop for several years,
if at all. To date, we have funded our operations with proceeds from the sale of
preferred and common stock and borrowing of debt.

See "-Funding Overview."



As of December 31, 2022, we had cash and cash equivalents of $17.1 million. Our
cash equivalents as of December 31, 2022 consisted of bank deposits and money
market funds, which enables us to achieve our liquidity and capital needs.

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Cash Flows

The following table summarizes our cash flows for each of the periods presented (in thousands):


                                                  Year Ended December 31,
                                                    2022               2021

Net cash used in operating activities $ (69,588) $ (54,221) Net cash provided by investing activities 30,923

3,047


Net cash provided by financing activities          32,238               

3,158

Net decrease in cash and cash equivalents $ (6,427) $ (48,016)




Operating Activities

During the year ended December 31, 2022, operating activities used $69.6 million
of cash, primarily resulting from our net loss of $81.2 million, partially
offset by non-cash charges for stock-based compensation expense of $3.6 million,
impairment of long-lived assets of $2.3 million, and loss on extinguishment of
debt of $1.6 million. Additionally, accrued expenses increased to account for
NASH clinical trial shut-down costs.

During the year ended December 31, 2021, operating activities used $54.2 million
of cash, primarily resulting from our net loss of $64.6 million, partially
offset by changes in our operating assets and liabilities of $2.3 million and
non-cash charges of $8.1 million, including $6.2 million of stock-based
compensation expense.

Investing Activities

During the year ended December 31, 2022, net cash provided by investing activities primarily consisted of $31.3 million in proceeds from sales and maturities of marketable securities.

During the year ended December 31, 2021, net cash provided by investing activities primarily consisted of $26.7 million in proceeds from sales and maturities of marketable securities, partially offset by purchases of marketable securities totaling $23.4 million.

Financing Activities



During the year ended December 31, 2022, net cash provided by financing
activities was $32.2 million. We received net proceeds of $59.4 million from the
issuance of common stock and short-term convertible notes. These cash inflows
were partially offset by repayment of principal, accrued interest, fees and
costs of $27.4 million.

During the year ended December 31, 2021, net cash provided by financing activities was $3.2 million, primarily consisting of net proceeds of $4.8 million from the issuance of common stock, partially offset by payments for a terminal fee obligation and debt issuance costs of $1.7 million.

Loan and Security Agreement



On September 2, 2021, we entered into a loan and security agreement with SLR
Investment Corp., or SLR, (formerly known as Solar Capital Ltd.), for term loans
in an aggregate principal amount of $26.0 million. The loan and security
agreement replaced the loan and security agreement between us and SLR, dated as
of January 9, 2018 and further amended on October 5, 2018, November 30, 2018 and
August 28, 2020 (as amended, the "Prior Loan and Security Agreement").
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In September 2022, we paid SLR approximately $6.4 million, including principal,
accrued interest, fees and costs. In October 2022, we satisfied an equity
related condition under the loan and security agreement that extended the date
on which repayment of principal commences from January 2023 to July 2023. On
December 15, 2022, we entered into a payoff letter with SLR, under which we
voluntarily accelerated the debt and paid SLR approximately $21.0 million, in
full satisfaction of all obligations, including all outstanding principal,
accrued interest, fees, costs, expenses and other amounts chargeable, under the
loan and security agreement. The payoff letter also provided for the termination
of all commitments and obligations under the loan and security agreement and
release of all liens held by SLR on our assets.

Funding Requirements



As of December 31, 2022, we had cash and cash equivalents of $17.1 million.
Based on our current financial resources and forecasted operating plan, we
believe that we will be able to operate into the second quarter of 2023. We
expect our corporate restructuring will reduce our operating expenses with the
goal of allowing us to pursue any viable strategic alternatives. There is no
guarantee that this plan will be successful. We may not be able to successfully
pursue any strategic alternatives and, even if certain strategic alternatives
may be available, we cannot provide any assurance that the strategic
alternatives review process will result in any particular alternative,
transaction or value. Our cash requirements depend on numerous factors,
including, without limitation, expenditures in connection with our research and
development programs, including with respect to the timing and progress of
Clinical Trials, Clinical Studies and preclinical development activities;
payments to CROs, CMOs and other third-party providers; the cost of filing,
prosecuting, defending and enforcing patent claims and other intellectual
property rights; our ability to raise additional equity or debt financing;
potential repayments of our long-term debt; and our ability to enter into
collaboration or license agreements and our receipt of any upfront, milestone or
other payments thereunder. Changes in our research and development plans or
other changes affecting our operating expenses may result in changes in the
timing and amount of expenditures of our capital resources. See "Risk Factors"
for further discussion of these and additional risks and uncertainties that may
significantly affect the timing and amount of expenditures of our capital
resources.

Based on our current operating plan, we believe we do not have sufficient cash
and cash equivalents to support current operations through a full 12 months from
the issuance date of this Annual Report on Form 10-K. We will need substantial
additional funding to support our continuing operations and pursue our growth
strategy. Until such time as we can generate significant revenue from product
sales, if ever, we expect to finance our operations through a combination of
equity offerings, debt re-financings, collaboration agreements, strategic
alliances and licensing arrangements. We may be unable to raise additional funds
or enter into such other agreements or arrangements when needed on favorable
terms, or at all, including as a result of market volatility following the
COVID-19 pandemic. If we fail to raise capital or enter into such agreements as,
and when, needed, we may have to significantly delay, scale back or discontinue
the development and commercialization of one or more of our product candidates
or delay our pursuit of potential in-licenses or acquisitions. The amounts
involved in any such transactions, individually or in the aggregate, may be
material. These factors individually and collectively raise substantial doubt
about our ability to continue as a going concern.

Nasdaq Delisting Notification



On December 30, 2022, we received a deficiency letter from the Listing
Qualifications Department, or the Staff, of The Nasdaq Stock Market LLC, or
Nasdaq, notifying us that, for the last 30 consecutive business days, the bid
price for our common stock had closed below the $1.00 per share minimum bid
price requirement for continued inclusion on the Nasdaq Global Market pursuant
to Nasdaq Listing Rule 5450(a)(1) (which we refer to as the "Minimum Bid Price
Requirement"). The Nasdaq deficiency letter has no immediate effect on the
listing of our common stock, and our common stock will continue to trade on the
Nasdaq Global Market under the symbol "AXLA" at this time.

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In accordance with Nasdaq Listing Rule 5810(c)(3)(A), or the Compliance Period
Rule, we have been provided a period of 180 calendar days, or until June 28,
2023 (the "Compliance Date"), to regain compliance with the Minimum Bid Price
Requirement. If, at any time ending June 28, 2023, the bid price for our common
stock closes at $1.00 or more for a minimum of ten consecutive business days, as
required under the Compliance Period Rule, the Staff will provide written
notification to us that we have regained compliance with the Minimum Bid Price
Requirement and our common stock will continue to be eligible for listing on the
Nasdaq Global Market, unless the Staff exercises its discretion to extend this
ten-day period pursuant to Nasdaq Listing Rule 5810(c)(3)(H).

If we do not regain compliance with the Minimum Bid Price Requirement by the
Compliance Date, we may be eligible for an additional 180 calendar day
compliance period. To qualify, we would need to transfer the listing of our
common stock to The Nasdaq Capital Market, provided that we meet the continued
listing requirement for market value of publicly held shares and all other
initial listing standards for The Nasdaq Capital Market, with the exception of
the Minimum Bid Price Requirement, and would need to provide written notice to
Nasdaq of our intention to cure the deficiency during the additional compliance
period. To effect such a transfer, we would also need to pay an application fee
to Nasdaq and provide written notice to the Staff of our intention to cure the
deficiency during the second compliance period by effecting a reverse stock
split if necessary. As part of its review process, the Staff will make a
determination of whether it believes we will be able to cure the deficiency.
Should the Staff conclude that we will not be able to cure the deficiency, the
Staff will provide written notification to us that our common stock will be
subject to delisting. At that time, we may appeal the Staff's delisting
determination to a Nasdaq Listing and Hearing Review Panel. However, there can
be no assurance that, if we receive a delisting notice and appeal the delisting
determination by the Staff to the panel, such appeal would be successful.

We intend to monitor the closing bid price of our common stock and may, if
appropriate, consider available options to regain compliance with the Minimum
Bid Price Requirement, which could include seeking to affect a reverse stock
split. However, there can be no assurance that we will be able to regain, or
even pursue, compliance with the Minimum Bid Price Requirement, secure a second
period of 180 days to regain compliance, or maintain compliance with any of the
other Nasdaq continued listing requirements.

Critical Accounting Policies and Significant Judgments and Estimates



Our consolidated financial statements are prepared in accordance with generally
accepted accounting principles in the United States. The preparation of our
consolidated financial statements and related disclosures requires us to make
estimates and judgments that affect the reported amounts of assets, liabilities,
revenue, costs and expenses, and the disclosure of contingent assets and
liabilities in our financial statements. We base our estimates on historical
experience, known trends and events and various other factors that we believe
are reasonable under the circumstances, the results of which form the basis for
making judgments about the carrying values of assets and liabilities that are
not readily apparent from other sources. We evaluate our estimates and
assumptions on an ongoing basis. Our actual results may differ from these
estimates under different assumptions or conditions.

While our significant accounting policies are described in more detail in Note 2 to our consolidated financial statements appearing elsewhere in this Annual Report, we believe that the following accounting policies are those most critical to the judgments and estimates used in the preparation of our consolidated financial statements.


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Long-Lived Assets Impairment



Long-lived assets consist of property and equipment and operating lease,
right-of-use asset. Long-lived assets to be held and used are tested for
recoverability whenever events or changes in business circumstances indicate
that the carrying amount of the assets may not be fully recoverable. Factors
that we consider in deciding when to perform an impairment review include
significant underperformance of the business in relation to expectations,
significant negative industry or economic trends and significant changes or
planned changes in the use of the assets. If an impairment review is performed
to evaluate a long-lived asset group for recoverability, we compare forecasts of
undiscounted cash flows expected to result from the use and eventual disposition
of the long-lived asset group to its carrying value. An impairment loss would be
recognized in loss from operations when estimated undiscounted future cash flows
expected to result from the use and eventual disposition of an asset group are
less than its carrying amount. The impairment loss would be based on the excess
of the carrying value of the impaired asset group over its fair value,
determined based on discounted cash flows.

Accrued Research and Development Expenses



As part of the process of preparing our consolidated financial statements, we
are required to estimate our accrued research and development expenses. This
process involves reviewing open contracts and purchase orders, communicating
with our personnel to identify services that have been performed on our behalf
and estimating the level of service performed and the associated cost incurred
for the service when we have not yet been invoiced or otherwise notified of
actual costs. The majority of our service providers invoice us in arrears for
services performed, on a pre-determined schedule or when contractual milestones
are met; however, some require advanced payments. We make estimates of our
accrued expenses as of each balance sheet date in the consolidated financial
statements based on facts and circumstances known to us at that time. We
periodically confirm the accuracy of these estimates with the service providers
and make adjustments if necessary. Examples of estimated accrued research and
development expenses include fees paid to vendors including CROs and CMOs for
research and development services.

We base our expenses related to research and development on our estimates of the
services received and efforts expended pursuant to quotes and contracts with
CROs that conduct and manage Clinical Trials, Clinical Studies and preclinical
development activities on our behalf. The financial terms of these agreements
are subject to negotiation, vary from contract to contract and may result in
uneven payment flows. There may be instances in which payments made to our
vendors will exceed the level of services provided and result in a prepayment of
the expense. Payments under some of these contracts depend on factors such as
the successful enrollment of patients or subjects and the completion of clinical
milestones. In accruing service fees, we estimate the time period over which
services will be performed and the level of effort to be expended in each
period. If the actual timing of the performance of services or the level of
effort varies from the estimate, we adjust the accrual or the amount of prepaid
expenses accordingly. Although we do not expect our estimates to be materially
different from amounts actually incurred, our understanding of the status and
timing of services performed relative to the actual status and timing of
services performed may vary and may result in reporting amounts that are too
high or too low in any particular period. To date, there have not been any
material adjustments to our prior estimates of accrued research and development
expenses.

Restructuring

We recognize restructuring charges related to reorganization plans that have
been committed to by management when liabilities have been incurred. In
connection with these activities, we record restructuring charges at fair value
for one-time employee termination benefits when management has committed to a
plan of termination, the plan identifies the employees and their expected
termination dates, the details of termination benefits are complete, it is
unlikely changes to the plan will be made or the plan will be withdrawn and
communication to such employees has occurred.

One-time employee termination benefits are recognized in their entirety when
communication has occurred and future services are not required. If future
services are required, the costs are recorded ratably over the remaining period
of service. Contract termination costs to be incurred over the remaining
contract term without economic benefit are recorded in their entirety when the
contract is canceled.

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Stock-Based Compensation



We estimate the fair value of our stock-based awards to employees and
non-employees using the Black-Scholes option-pricing model, which requires the
input of highly subjective assumptions, including (a) the expected volatility of
our stock, (b) the expected term of the award, (c) the risk-free interest rate,
and (d) expected dividends. Due to the lack of company-specific historical and
implied volatility data, we base our estimate of expected volatility on the
historical volatility of a group of companies in the pharmaceutical and
biotechnology industries in a similar stage of development as us and that are
publicly traded. For these analyses, we have selected companies with comparable
characteristics to ours including enterprise value, risk profiles and with
historical share price information sufficient to meet the expected life of the
stock-based awards. We compute the historical volatility data using the daily
closing prices for the selected companies' shares during the equivalent period
of the calculated expected term of our stock-based awards. We will continue to
apply this process until a sufficient amount of historical information regarding
the volatility of our own stock price becomes available. We have estimated the
expected life of our employee stock options using the "simplified" method,
whereby, the expected life equals the average of the vesting term and the
original contractual term of the option. The risk-free interest rates for
periods within the expected life of the option are based on the U.S. Treasury
yield curve in effect during the period the options were granted. We account for
forfeitures as they occur.

Recently Issued Accounting Pronouncements



A description of recently issued accounting pronouncements that may potentially
impact our financial position and results of operations is disclosed in Note 2
to our consolidated financial statements appearing elsewhere in this Annual
Report.

Emerging Growth Company Status



We are an "emerging growth company," as defined in the Jumpstart Our Business
Startups Act of 2012, or the JOBS Act, and we may take advantage of certain
exemptions from various reporting requirements that are applicable to other
public companies that are not emerging growth companies. We may take advantage
of these exemptions until we are no longer an emerging growth company. Section
107 of the JOBS Act provides that an emerging growth company can take advantage
of the extended transition period afforded by the JOBS Act for the
implementation of new or revised accounting standards. We have elected to use
the extended transition period for complying with new or revised accounting
standards and, as a result of this election, our financial statements may not be
comparable to companies that comply with public company effective dates. We may
take advantage of these exemptions up until the last day of the fiscal year
following the fifth anniversary of our IPO or such earlier time that we are no
longer an emerging growth company. We would cease to be an emerging growth
company if we have more than $1.235 billion in annual revenue, we have more than
$700.0 million in market value of our stock held by non-affiliates (and we have
been a public company for at least 12 months and have filed one annual report on
Form 10-K) or we issue more than $1.0 billion of non-convertible debt securities
over a three-year period.

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