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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Net loss $ (451) $ (737)
Other comprehensive loss:    
Unrealized loss on available-for-sale securities (1) (1)
Other comprehensive loss before tax (1) (1)
Other comprehensive loss, net of tax (1) (1)
Comprehensive loss $ (452) $ (738)