CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS    
Net loss $ (539) $ (1,471)
Other comprehensive loss:    
Foreign currency translation adjustment 1 (5)
Net unrealized losses on available-for-sale investments (33)  
Total other comprehensive loss (32) (5)
Comprehensive loss $ (571) $ (1,476)