Note 8 - Basic and Diluted Income (Loss) Per Share - Schedule of Earnings (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net loss	$ 476	$ (1,829)	$ (10,576)	$ (13,482)
Net income attributable to participating securities	26
Net income attributable to common stock	$ 450
Weighted average of common shares outstanding (in shares)	37,244	36,725	37,116	36,608
Potential dilutive effect of stock options (in shares)	0
Weighted average of common shares outstanding (in shares)	37,244	36,725	37,116	36,608