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Note 5 - Common Stock Options (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

		Options			Exercise Price		Weighted-Average Exercise Price
Options outstanding at December 31, 2023			5,039,518		$2.71-$21.74		$	9.46
Granted			23,000		$4.05-$6.45			5.59
Exercised			(13,917	)	$3.65-$5.43			3.96
Forfeitures			(614,750	)	$3.84-$19.22			10.92
Options outstanding at March 31, 2024			4,433,851		$2.71-$21.74		$	9.25

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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