Note 7 - Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
State	$ 16	$ 23
Foreign	210	283
Current Income Tax Expense (Benefit), Total	226	306
Federal	(158)	1,673
Foreign	11	(287)
Deferred Income Tax Expense (Benefit), Total	(147)	1,386
Total income tax provision	$ 79	$ 1,692

Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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