Other income, net (Tables)

12 Months Ended

Mar. 31, 2020

Other Income and Expenses [Abstract]

Schedule of Other income

Other income, net consisted of the following:

	Year Ended March 31,
	2018		2019		2020
		$ in thousands		$ in thousands		$ in thousands
Gain on disposal of property, plant and equipment		—		5		—
Government subsidies		76		16		227
Other gains		266		87		208
Other income, net		342		108		435