Note 14 - Common Stock Reserved for Issuance

3 Months Ended

Mar. 31, 2024

Notes to Financial Statements

Common Stock Reserved For Issuance [Text Block]

14. COMMON STOCK RESERVED FOR ISSUANCE

The Company is required to reserve and keep available out of its authorized but unissued shares of common stock a number of shares sufficient to affect the exercise of all classes of preferred stock, convertible promissory notes, options granted and available for grant under the incentive plans and warrants to purchase common stock.

	March 31, 2024		December 31, 2023
Outstanding common stock warrants		1,936,920		1,061,930
Outstanding stock options and RSUs		1,048,074		981,834
Preferred shares		8,969,341		8,889,221
Shares reserved for conversion of future voting preferred share issuance		5,764,093		5,844,213
Shares reserved for future option grants and RSUs		254,241		99,580
Shares reserved for Lincoln Park		702,847		711,180
Shares reserved for Madryn Noteholders		1,300,000		1,300,000
Shares reserved for EW Noteholders		2,000,000		—
Total common stock reserved for issuance		21,975,516		18,887,958