Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Stock Warrants

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Note 13 - Stock Warrants
3 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Stock Warrants Disclosure [Text Block]
13.
Stock Warrants
 
At
March 
31,
2021,
there are
972,324
warrants outstanding to purchase 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
$17.97
per share. The warrants have remaining outstanding terms ranging from
one
to
14.4
years.