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2. Inventory (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
RepaymentsOfBorrowingsUnderShortTermFacilities
Raw materials	$ 1,262us-gaap_InventoryRawMaterials	$ 1,522us-gaap_InventoryRawMaterials
Work-in-progress	1,464us-gaap_InventoryWorkInProcess	1,453us-gaap_InventoryWorkInProcess
Finished goods	1,915us-gaap_InventoryFinishedGoods	1,516us-gaap_InventoryFinishedGoods
Total inventory	$ 4,641us-gaap_InventoryNet	$ 4,491us-gaap_InventoryNet

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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