Other Financial Statement Data (Schedule of Accrued Expenses) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Financial Statement Data [Abstract]
Wage and benefits	$ 770	$ 1,741
Warranty liability	694	985
Re-organization and restructure charge	192
Income taxes payable		122
Unrealized loss of foreign exchange forward contracts		493
Other	184	316
Accrued expenses	$ 1,840	$ 3,657