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Note I - Income Taxes - Differences Between Total Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Computed expected income tax benefit	$ (3,845)	$ (5,147)
Net effect of state income taxes	(223)	(509)
Foreign subsidiary dividend inclusions	1,208	1,083
Foreign tax rate differential	281	(268)
Change in valuation allowance	(7,538)	6,085
CARES Act NOL Carryback	(6,816)
Stock-based compensation shortfalls	296	238
Return to Provision		216
Other, net	22	55
Income tax (benefit) expense for the period	$ (16,615)	$ 1,753

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to CARES Act net operating loss carryforwards carryback.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying foreign subsidiary dividend inclusions.

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

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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