Note 9 - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income (loss) before income taxes, as reported in the consolidated statements of operations	$ 25,594	$ 13,062	$ (223,812)
Computed “expected” tax benefit	5,375	2,743	(47,000)
State and local taxes	780	(700)	(8,457)
Research and development credits	(4,637)	(3,402)	(6,366)
Officer Compensation Limitation	2,164	(740)	20,580
Provision-to-return	11,733	(9,235)	60
Prior period state tax benefit	(3,508)	0	0
Other	646	245	358
Stock options	(1,602)	(10,616)	7,908
Change in state tax rates	(4,970)	4,141	0
Change in the balance of the valuation allowance for deferred tax assets	(3,770)	17,954	32,917
Income Tax Expense (Benefit)	$ 2,211	$ 390	$ 0