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Income Taxes (Details 4) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Movement of Valuation Allowances [Roll Forward]
At the beginning of the year	$ 548	$ 567	$ 612
Current year (reduction) addition	120	(19)	(45)
At the end of the year	$ 668	$ 548	$ 567

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- References

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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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 valuation allowance for deferred tax assets.

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