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Government Grants and Subsidies (Details) - Schedule of government subsidies received - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Schedule of Government Subsidies Received [Abstract]
Rental payment for factory space and dormitories located in Shenzhen (offset against cost of sales)	$ 247		$ 66
Salaries of Hong Kong employees (offset against selling, general and administrative expenses)	62		144
Total	$ 309		$ 210

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Total government subsidies received.

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Amount of excess of rental income recognized over rental payment required by lease.

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Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
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-Name Accounting Standards Codification
-Section 35
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Payments of cash to employees, including wages and salaries, during the current period.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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