Note 6 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	$ 20	$ 10
Accrued expenses	482	526
Share-based compensation	1,263	1,148
Accrued bonuses	521	243
Uncertain tax positions	378	348
Research & experimental expenditures	1,472	3,925
Lease liabilities	296	422
Restricted stock	65	0
Gross deferred tax assets	4,497	6,622
Prepaid expenses	108	29
Deferred contract costs	620	387
Property and equipment	2,128	1,846
Intangible assets	7,381	7,245
Right of Use Asset	287	403
Other	(43)	243
Deferred tax liabilities	10,481	10,153
Net deferred tax liabilities	$ (5,984)	$ (3,531)