Property, plant and equipment, net (Tables)

12 Months Ended

Mar. 31, 2020

Property, Plant and Equipment [Abstract]

Property, plant and equipment, net

Property, plant and equipment, net, consisted of the following:

	March 31,
	2019			2020
	$ in thousands			$ in thousands
Cost
Buildings		16,890			16,857
Construction-in-progress		597			604
Plant and machinery		9,838			9,642
Furniture, fixtures and equipment		1,475			1,544
Motor vehicles		636			577
		29,436			29,224
Less: accumulated depreciation		(19,845	)		(19,785	)
		9,591			9,439