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Income Taxes - Provision (benefit) for income taxes reflects an effective U.S tax rate, which differs from the corporate tax rate (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2020	Mar. 31, 2019
Schedule Of Income Taxes [Line Items]
Provision (benefit) for income taxes at Federal statutory rate									$ 479	$ (845)
Increase (decrease) resulting from:
State income taxes, net of Federal benefit									91	(206)
Tax Reform – Rate Change										160
Other									(13)	(49)
Income tax expense (benefit)	$ (1,746)	$ 229	$ 92	$ 206	$ (1,232)	$ (376)	$ 96	$ 572	(1,219)	$ (940)
Fiscal Year 2020 Net Operating Losses
Increase (decrease) resulting from:
Federal NOL rate differential									(414)
Fiscal Year 2019 Net Operating Losses
Increase (decrease) resulting from:
Federal NOL rate differential									$ (1,362)

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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 increase (decrease) in the income tax rates.

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