Note 12 - Equity Offerings (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

	Nine Months Ended September 30, 2021
	2021 ATM		2020 ATM		Total
Total shares of common stock sold		352,880		19,120,037		19,472,917
Average price per share	$	3.47	$	1.47	$	1.51
Gross proceeds	$	1,224	$	28,100	$	29,324
Commission earned by Sales Agents	$	37	$	843	$	880
Net proceeds	$	1,187	$	27,257	$	28,444