Note 9 - Redeemable Convertible Preferred Stock	9 Months Ended
Sep. 30, 2019
Notes to Financial Statements
Preferred Stock [Text Block]	Note 9. Redeemable Convertible Preferred Stock At December 31, 2018, Private Adynxx had 2,034,548 shares of Series A convertible preferred stock issued and outstanding, and 1,833,387 shares of Series B convertible preferred stock issued and outstanding. During 2019, prior to the Merger, an additional 367,041 shares were issued upon conversion of convertible notes described in ’Note 7 — Term Loans and Convertible Promissory Notes’. Upon the consummation of the Merger, all outstanding shares of Series A and Series B convertible preferred stock were cancelled and exchanged for shares of the Company’s common stock. Following the Merger, Private Adynxx survived as a wholly-owned subsidiary of new Adynxx, Inc. and adopted a new certificate of incorporation with no shares of preferred stock authorized or outstanding. The Company has 1,000,000 shares of preferred stock authorized under its certificate of incorporation, as amended.

Note 9. Redeemable Convertible Preferred Stock

At December 31, 2018, Private Adynxx had 2,034,548 shares of Series A convertible preferred stock issued and outstanding, and 1,833,387 shares of Series B convertible preferred stock issued and outstanding. During 2019, prior to the Merger, an additional 367,041 shares were issued upon conversion of convertible notes described in ’Note 7 — Term Loans and Convertible Promissory Notes’.

Upon the consummation of the Merger, all outstanding shares of Series A and Series B convertible preferred stock were cancelled and exchanged for shares of the Company’s common stock. Following the Merger, Private Adynxx survived as a wholly-owned subsidiary of new Adynxx, Inc. and adopted a new certificate of incorporation with no shares of preferred stock authorized or outstanding. The Company has 1,000,000 shares of preferred stock authorized under its certificate of incorporation, as amended.