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GEOGRAPHICAL INFORMATION (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue $ 6,015,000 $ 5,893,000 $ 12,081,000 $ 11,894,000
US [Member]
       
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue 5,640,000 5,367,000 11,316,000 10,823,000
CA [Member]
       
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total revenue $ 375,000 $ 526,000 $ 765,000 $ 1,071,000