Note 10 - Warrants (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Outstanding Warrants [Table Text Block]

		*Number of Warrants*				*Weighted Average Exercise Price*
December 31, 2021			2,431,168			$	4.48
Granted			30,777,776				0.46
Exercised			—				—
Forfeited, Canceled			—				—
June 30, 2022			33,208,944			$	0.79