Intangible assets (Tables)

12 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Other intangible assets

Intangible assets are analyzed as follows:

	March 31,
	2013			2014
	$ in thousands			$ in thousands
Cost		6,769			6,894
Less: accumulated amortization		(2,179	)		(2,507	)
		4,590			4,387

Components of other tangible assets

The components of other intangible assets are as follows:

	March 31,
	2013		2014
	$ in thousands		$ in thousands
Land use right of factory land in Shenzhen, Guangdong, PRC		2,215		2,062
Land use right of factory land in Xinxing, Guangdong, PRC		2,375		2,325
		4,590		4,387

Schedule of amortization expenses

As of March 31, 2014, future minimum amortization expenses in respect of other intangible assets are as follows:

	$ in thousands
2015		294
2016		294
2017		294
2018		294
2019		294
Thereafter		2,917
Total		4,387