Note 11 - Loss Per Share (EPS) - EPS Compensations (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income (loss)	$ (2,621)	$ (1,516)	$ (1,923)	$ 591	$ (4,137)	$ (1,332)
Weighted average number of shares of shares of common stock outstanding (in shares)	52,082,641		45,398,791		51,874,930	45,323,786
Weighted average number of shares of common stock underlying vested RSUs (in shares)	778,997		465,594		821,787	425,999
Denominator for basic and diluted EPS - weighted average number of shares outstanding (in shares)	52,861,638		45,864,385		52,696,717	45,749,785