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Summary of Financial Information of Laser Quantum - Balance Sheet (Details) - Laser Quantum - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Schedule Of Financial Statements Information [Line Items] |  |  |
Total assets | [1] | $ 30,159 | $ 25,423
Total liabilities |  | $ 2,552 | $ 2,482
[1] | Total assets at December 31, 2015 and 2014 included cash and cash equivalent of $21.0 million and $17.1 million, respectively.

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