Note 6 - Income Taxes - Provision for Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ (247)
State		(84)
Total current	(247)	(84)
Deferred:
Federal	247
State
Total deferred	247
Income tax (benefit) expense from continuing operations		$ (84)

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

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Amount of current income tax expense (benefit) pertaining to taxable 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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