Note 2 - Significant Accounting Policies - Summary of Reconciliation of Numerators and Denominators of Basic and Diluted Net Income (Loss) Per Share of Common Stock Computations (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 income	$ 20,317	$ 5,796	$ 10,973	$ 9,323
Weighted average common stock outstanding for basic net income per share (in shares)	49,008,464	47,520,338	48,498,579	46,977,127
Net effect of dilutive common stock equivalents (in shares)	164,897	298,896	526,524	420,082
Weighted average common stock outstanding for diluted net income per share (in shares)	49,173,361	47,819,234	49,025,103	47,397,209
Basic (in dollars per share)	$ 0.41	$ 0.12	$ 0.23	$ 0.2
Diluted (in dollars per share)	$ 0.41	$ 0.12	$ 0.22	$ 0.2