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Inventories, Net and Significant Supplier(s) - Related Party Supplier (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Executive Vice President [Member] |  |  |
Related Party Transaction |  |  |
Ownership Percentage in Third Party by Executive | 40.00% |  |
Affiliated Entity [Member] | Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] |  |  |
Related Party Transaction |  |  |
Related Party Purchases | $ 1,612 | $ 2,094 |
Concentration Risk | 2.00% | 2.90% |
Affiliated Entity [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member] |  |  |
Related Party Transaction |  |  |
Concentration Risk | 2.10% |  | 2.50%
Related Parties, Accounts Payable | $ 1,638 |  | $ 2,361

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