Note 11 - Financing Transactions (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Three Months Ended March 31, 2021
Total shares of common stock sold		19,120,037
Average price per share	$	1.47
Gross proceeds	$	28,100
Commission earned by Sales Agents	$	843
Net proceeds	$	27,257