Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventories    
Raw materials $ 11,925 $ 11,206
Work in progress 946 534
Finished goods 26,509 28,698
Total inventory $ 39,380 $ 40,438