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2. Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
RepaymentsOfBorrowingsUnderShortTermFacilities    
Raw materials $ 1,316 $ 1,522
Work-in-progress 1,217 1,453
Finished goods 1,238 1,516
Total inventory $ 3,771 $ 4,491