Note 6 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statutory Rate	$ 1,148	$ 572
State Income Tax	79	41
Effect of foreign operations	(124)	(82)
Research and Development	(316)	0
Change in State Deferred Rate	0	29
Valuation Allowance	(2,563)	587
Maquiladora Tax	158	153
US Permanent differences	(44)	(28)
Federal Tax Credits	0	(272)
Global Intangible Low-Taxed Income Effect	7	301
Withholding Tax	318	122
IRS Payable	0	17
Other	(71)	27
Income Tax Expense	$ (1,408)	$ 1,467