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Condensed Consolidated Statements of Other Comprehensive Income (Loss) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Condensed Consolidated Statements of Other Comprehensive Income (loss) (Unaudited) [Abstract]    
Consolidated net income $ 595 $ 817
Change in unrealized value of investments (7) (4)
Foreign currency translation adjustment (131) 285
Other comprehensive (loss) income (138) 281
Comprehensive income $ 457 $ 1,098