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Summary of Significant Accounting Policies (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014	Sep. 30, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Goodwill, beginning balance			$ 54,348		$ 1,078	$ 54,348
Acquisition of business						664
Goodwill impairment						(51,458)
Currency translation						(2,476)
Goodwill, ending balance	$ 1,078					1,078
Electronics [Member]
Segment Reporting Information [Line Items]
Goodwill, beginning balance			604	$ 981	1,078	604
Acquisition of business						664
Currency translation				(50)	(97)	(190)
Goodwill, ending balance	1,078			$ 931	981	1,078
PST [Member]
Segment Reporting Information [Line Items]
Goodwill, beginning balance			53,744			53,744
Goodwill impairment	(27,960)	$ (29,300)	$ (23,498)			(51,458)
Currency translation						(2,286)
Goodwill, ending balance

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Topic 350
-SubTopic 20
-Section 50
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