Note 10 - Income Taxes - Income Tax Reconciliation (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Income taxes based on U.S. statutory rate of 21% and 34%, respectively	$ 923,000	$ 1,785,000
FDII deduction	(22,000)	(49,000)
Foreign taxes	(23,000)	(120,000)
State taxes	170,000	219,000
Stock Compensation	60,000	(106,000)
Other	5,000	15,000
Provision for income taxes	$ 1,113,000	$ 1,744,000

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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