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Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Accrued Expenses [Abstract]
Compensation	$ 362	$ 821
Professional fees	170	215
Other expenses	523	495
Due for returned product	113	113
Total Accrued Expenses	$ 1,168	$ 1,644

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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