Note 9 - Net Loss Per Share - Schedule of Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net loss		$ (1,773)	$ (6,270)	$ (10,564)	$ (66,857)
Weighted-average number of shares outstanding, basic and diluted (*) (in shares)	[1]	7,166,612	6,600,485	6,977,262	6,493,852
Net loss per share, basic and diluted (in dollars per share)		$ (0.25)	$ (0.95)	$ (1.51)	$ (10.3)
Anti-dilutive shares excluded from computation of net loss per share (in shares)(*) (in shares)	[1]	1,930,507	2,196,707	2,066,484	1,898,728

[1] The number of shares and per share amounts have been retroactively restated to reflect the one for twelve (1 for 12) reverse stock split, which was effective on March 22, 2024.