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FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Derivative Liabilities [Abstract]    
Warrant liability $ 119 [1] $ 85 [1]
Activity in Level 3 liabilities [Abstract]    
Beginning balance 85 105
Purchases, issuances, and settlements (Note 6) 0 0
Total loss (gain) included in earnings 34 [2] (20) [2]
Ending Balance 119 85
United States [Member]
   
Assets [Abstract]    
Cash and equivalents 3,762 4,162
Level 1 [Member]
   
Derivative Liabilities [Abstract]    
Warrant liability 0 [1] 0 [1]
Level 1 [Member] | United States [Member]
   
Assets [Abstract]    
Cash and equivalents 3,762 4,162
Level 2 [Member]
   
Derivative Liabilities [Abstract]    
Warrant liability 0 [1] 0 [1]
Level 2 [Member] | United States [Member]
   
Assets [Abstract]    
Cash and equivalents 0 0
Level 3 [Member]
   
Derivative Liabilities [Abstract]    
Warrant liability 119 [1] 85 [1]
Level 3 [Member] | United States [Member]
   
Assets [Abstract]    
Cash and equivalents $ 0 $ 0
[1] Refer to Warrants and Stockholders' Equity (Note 6) for valuation assumptions.
[2] Gains and losses for the periods related to the revaluation of equity based liabilities. These gains or losses are included in our consolidated statements of operations.