Balance Sheet Information (Details 2) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Restricted Cash
Restricted cash	$ 852,000	$ 577,000
Accounts Receivable, net
Allowance for doubtful accounts receivable (in dollars)	500,000	500,000
Inventories
Raw materials	60,786,000	57,169,000
Work in process	25,714,000	20,118,000
Finished goods	16,776,000	36,147,000
Inventories	103,276,000	113,434,000
Collateral for Bank Guarantees
Restricted Cash
Restricted cash	$ 900,000	$ 600,000

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.

+ References+ Details

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

+ References+ Details