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Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Total	$ (26)	$ 512	$ 236
Hong Kong [Member]
Current tax	4	156	103
Overprovision in prior year	(30)
China [Member]
Current tax		$ 356	$ 133

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- Definition

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

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