Property, Plant and Equipment (Tables)

12 Months Ended

Mar. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consist of the following:

	March 31,
	2016			2017
Leasehold land and buildings	$	31,927		$	31,927
Plant and machinery		41,062			39,589
Furniture, fixtures and equipment		11,734			11,622
Motor vehicles		1,369			1,396
Leasehold improvements		2,510			3,228
Impairment		(3,467	)		(3,218	)
		85,135			84,544
Less: accumulated depreciation and amortization		(52,783	)		(52,552	)
Net book value	$	32,352		$	31,992

Cost of leasehold land and buildings consist of the following:

	March 31,
		2016		2017
Land use right of state-owned land and buildings erected thereon (a)	$	27,771	$	27,771
Long term leased land and buildings erected thereon (b)		4,156		4,156
	$	31,927	$	31,927

Details of the property on lease are as follows:

Included in leasehold land and buildings	March 31,
	2016			2017
Cost	$	8,099		$	8,831
Less: accumulated depreciation and amortization		(1,896	)		(2,237	)
Net book value	$	6,203		$	6,594