Note 6 - Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Inventory	$ 423	$ 391
Accrued Bonus	440	462
Stock-Based Compensation and Equity Appreciation Rights	206	159
Other Accruals	415	675
Lease Accounting Lease Liability	1,229	1,351
Capitalized Research Expenses	1,007	318
Tax Credit Carryforwards	94	156
Intangibles	477	515
Other	139	208
Total	4,430	4,235
Valuation Allowance	0	(2,563)
Deferred Tax Assets	4,430	1,672
Lease Accounting Lease Asset	(1,168)	(1,301)
Withholding Tax	(239)	0
Prepaid Expenses	(213)	(143)
Property and Equipment	(276)	(161)
Other	(133)	(67)
Deferred tax liabilities	(2,029)	(1,672)
Net deferred tax assets	$ 2,401	$ 0