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Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020
Income Tax Expense (Benefit), Total	$ 188	$ 211
Liability for Uncertainty in Income Taxes, Current	$ 0
Unrecognized Tax Benefits, Ending Balance			$ 0

X

- Definition

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

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X

- Definition

Amount recognized for uncertainty in income taxes classified as current.

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Amount of unrecognized tax benefits.

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