Note 12 - Stock Warrants
|9 Months Ended|
Sep. 30, 2022
|Notes to Financial Statements|
|Stock Warrants Disclosure [Text Block]||
On March 3, 2022, 550,000 Series NN warrants with an exercise price of $30.00 expired under the terms of the Series NN warrant agreements.
On August 30, 2022, Series PP Warrants to purchase 23,159,906 shares of our Common Stock were issued pursuant to the Rights Offering. The Warrants are exercisable immediately, expireyears from the date of issuance and have an exercise price of $0.50 per share.
As of September 30, 2022, there are warrants outstanding to purchase 23,582,230 shares of Navidea's Common Stock. The warrants are exercisable at prices ranging from $0.20 to $49.80 per share with a weighted average exercise price of $0.53 per share. The warrants have remaining outstanding terms ranging from 0.7 to 12.9 years.