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2. Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
RepaymentsOfBorrowingsUnderShortTermFacilities
Raw materials	$ 1,318	$ 1,522
Work-in-progress	1,356	1,453
Finished goods	2,753	1,516
Total inventory	$ 5,427	$ 4,491

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