Note 12 - Equity Offerings (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

	Six Months Ended June 30, 2021
	2021 ATM		2020 ATM		Total
Total shares of common stock sold		331,811		19,120,037		19,451,848
Average price per share	$	3.47	$	1.47	$	1.50
Gross proceeds	$	1,152	$	28,100	$	29,252
Commission earned by Sales Agents	$	34	$	843	$	877
Net proceeds	$	1,118	$	27,257	$	28,375