Note 14 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Net operating loss carryforwards	$ 76,361	$ 75,235
Accrual and reserves	4,721	4,637
Leases	3,106	3,532
Other	6	4
Total noncurrent deferred tax assets	84,194	83,408
Valuation allowance	(77,794)	(76,516)
Noncurrent deferred tax assets, net of valuation allowance	6,400	6,892
Fixed assets	2,480	2,364
Intangible assets	(325)	(487)
Leases	3,570	4,016
Total noncurrent deferred tax liabilities	6,375	6,867
Net deferred income tax asset	$ 25	$ 25