Note 15 - Share-based Compensation - Restricted Stock Unit/Awards Activity (Details) - Restricted Stock Units (RSUs) [Member] $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($) $ / shares shares
Outstanding, number of shares (in shares) | shares	2,210
Outstanding, weighted average fair value (in dollars per share) | $ / shares	$ 5.76
Outstanding, aggregate intrinsic value | $	$ 4,175
Granted, number of shares (in shares) | shares	2,074
Granted, weighted average fair value (in dollars per share) | $ / shares	$ 4.60
Granted, aggregate intrinsic value | $	$ 9,540
Released, number of shares (in shares) | shares	(580)
Released, weighted average fair value (in dollars per share) | $ / shares	$ 6.37
Released, aggregate intrinsic value | $	$ 1,321
Cancelled/Forfeited, number of shares (in shares) | shares	(110)
Cancelled/Forfeited, weighted average fair value (in dollars per share) | $ / shares	$ 3.93
Cancelled/Forfeited, aggregate intrinsic value | $	$ 654
Outstanding, number of shares (in shares) | shares	3,594
Outstanding, weighted average fair value (in dollars per share) | $ / shares	$ 5.05
Outstanding, aggregate intrinsic value | $	$ 21,422
Vested and expected to vest, number of shares (in shares) | shares	3,594
Vested and expected to vest, weighted average fair value (in dollars per share) | $ / shares	$ 5.05
Vested and expected to vest, aggregate intrinsic value | $	$ 21,422