Goodwill

12 Months Ended

Mar. 31, 2017

Business Combination, Goodwill [Abstract]

Goodwill

9. Goodwill

The entire goodwill was fully impaired since March 31, 2014. Details of the goodwill are as follows:

Acquisitions	March 31,
		2016			2017
Electronic division	$	393		$	393
Metallic division		317			—
Foreign exchange differences		(1	)		(1	)
Impairment – electronic division		(392	)		(392	)
Impairment – metallic division		(317	)		—
	$	—		$	—