Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Components of inventories
Inventory, Gross	$ 48,428	$ 50,063
Inventory Valuation Reserves	5,737	5,546
Inventories, net	$ 42,691	$ 44,517

Amount of valuation reserve for inventory.

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