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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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