Inventories (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 255us-gaap_InventoryRawMaterials	$ 202us-gaap_InventoryRawMaterials
Work in process	3,419us-gaap_InventoryWorkInProcess	2,952us-gaap_InventoryWorkInProcess
Finished goods	1,986us-gaap_InventoryFinishedGoods	1,049us-gaap_InventoryFinishedGoods
Inventory, gross	5,660us-gaap_InventoryGross	4,203us-gaap_InventoryGross
Reserve for obsolescence	(527)us-gaap_InventoryValuationReserves	(322)us-gaap_InventoryValuationReserves
Inventory, net	$ 5,133us-gaap_InventoryNet	$ 3,881us-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.

+ References

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-Publisher SEC

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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 raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Amount of valuation reserve for inventory.

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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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-Publisher SEC

-Name Regulation S-X (SX)

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