Note 8 - Basic and Diluted Income (Loss) Per Share - Schedule of Earnings (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income	$ 1,542
Net income attributable to participating securities	89
Net income attributable to common stock	$ 1,453
Weighted average of common shares outstanding (in shares)	36,998	36,632	37,051	36,549
Potential dilutive effect of stock options (in shares)	0
Weighted average of common shares outstanding (in shares)	36,998	36,632	37,051	36,549