Note 10 - Provision for Taxes - Net Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Valuation reserves	$ 1,088	$ 1,167
Stock based compensation	295	389
Federal and state credits	840	674
Lease obligation	2,090	2,252
Other	28	4
Capitalized research costs	2,104	605
Total assets	6,445	5,091
Property and equipment	(1,206)	(1,502)
Goodwill and intangible assets	(5,732)	(5,347)
Lease – right of use asset	(1,959)	(2,127)
Prepaid insurance	(354)	(280)
Total liabilities	(9,251)	(9,256)
Beginning balance	(351)	(23)
(Increase) Decrease during period	32	(328)
Ending balance	(319)	(351)
Deferred Tax Liabilities, Net	$ (3,125)	$ (4,516)