Intangible assets (Tables)

12 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Intangible assets are analyzed as follows:

		Amount
		$ in thousands
Cost at March 31, 2019		5,951
	Addition	-
	Effect of exchange rate	(385)
Cost at March 31, 2020		5,566
	Addition	-
	Effect of exchange rate	468
Cost at March 31, 2021		6,034
Accumulated Amortization at March 31, 2019		(3,613)
	Addition	-
	Amortization	(264)
	Effect of exchange rate	241
Accumulated Amortization at March 31, 2020		(3,636)
	Addition	-
	Amortization	(269)
	Effect of exchange rate	(316)
Accumulated Amortization at March 31, 2021		(4,221)
Net book value at March 31, 2019		2,338
Net book value at March 31, 2020		1,930
Net book value at March 31, 2021		1,813

Components of other intangible assets

The components of intangible assets are as follows:

	March 31,
	2020		2021
	$ in thousands		$ in thousands
Land use right of factory land in Shenzhen, Guangdong, PRC		780		663
Land use right of factory land in Xinxing, Guangdong, PRC		1,150		1.150
		1,930		1,813

Schedule of amortization expenses

As of March 31, 2021, future minimum amortization expenses in respect of intangible assets are as follows:

Year ending March 31,		$ in thousands
	2022		279
	2023		278
	2024		278
	2025		210
	2026		96
	Thereafter		672
	Total		1,813