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FAIR VALUE MEASUREMENTS (Details 2) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
Warrants
Jun. 30, 2011
Warrants
Jun. 30, 2012
Warrants
Jun. 30, 2011
Warrants
Jun. 30, 2012
Economic Rights
Reconciliation of the beginning and ending balance of Level 3 inputs              
Balance at the beginning of the period $ 1,028,000 $ 71,000          
Sale             1,097,000
Change in valuation of liability     8,000 100,000 (50,000) 200,000 (90,000)
Balance at the end of the period $ 1,028,000 $ 71,000