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Inventories, Net and Significant Supplier(s) - Inventory Reserve(s) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Schedule of Reserve for Excess and Obsolete Inventory |  |  |
Balance at Beginning of Period |  | $ 3,045 | $ 2,539
Additions Charged to Costs and Expenses | [1] | 693 | 811
Sell Through | [2] | (211) | (406)
Write-offs/FX Effects |  | (235) | (407)
Balance at End of Period |  | 3,292 | 2,537
Inventory Scrapped During Production |  | $ 63 | $ 95
[1] | The additions charged to costs and expenses do not include inventory directly written-off that was scrapped during production totaling $63 thousand and $95 thousand for the three months ended March 31, 2016 and 2015, respectively. These amounts are production waste and are not included in management's reserve for excess and obsolete inventory.
[2] | These amounts represent the reduction in reserves associated with inventory items that were sold during the period.

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