Note 6 - Earnings (Loss) Per Share - Computation of Basic and Diluted Net Income (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net loss	$ (9,098)	$ (26,115)	$ (18,270)	$ (49,285)
Basic (in shares)	56,772	39,365	53,426	38,864
Diluted (in shares)	56,772	39,365	53,426	38,864
Basic (in dollars per share)	$ (0.16)	$ (0.66)	$ (0.34)	$ (1.27)
Diluted (in dollars per share)	$ (0.16)	$ (0.66)	$ (0.34)	$ (1.27)