NovaBay Pharmaceuticals, Inc. provided earnings guidance for the fourth quarter and full year of 2017. For the quarter, the company expected total sales expected to slightly exceed $6 million, up 49% over fourth quarter of 2016. Gross margin on Avenova product sales expected in the low 90% range. For the full year, the company expected total revenue for the full year of 2017 is expected to be approximately $18 million, up 51% from 2017.