Note 14 - Equity Offerings (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

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

	Year Ended December 31, 2023
Total shares of common stock sold		933,672
Average price per share	$	0.43
Gross proceeds	$	403
Commission paid to agents	$	12
Net proceeds	$	391