Note 14 - Equity Offerings (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Sales Under Sales Agency Agreement [Table Text Block]

	Year Ended December 31, 2021
Total shares of common stock sold		20,237,045
Average price per share	$	1.53
Gross proceeds	$	30,943
Commisssion earned by Sales Agents	$	928
Net proceeds	$	30,015