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Inventories (Details) (USD $)

Jun. 30, 2013

Dec. 31, 2012

Inventories [Abstract]

$ 19,749,000

$ 20,003,000

Work in process

13,455,000

15,608,000

3,632,000

4,741,000

Inventories, total

36,836,000

40,352,000

^[1]

Inventory reserve

$ 9,800,000

$ 10,100,000

[1]	The condensed consolidated balance sheet at December 31, 2012 has been derived from the audited consolidated financial statements at that date.

Amount of valuation reserve for inventory.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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