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Fair Value Measurements (Tables)
3 Months Ended
Jun. 30, 2012
Assets and Liabilities that are Required to Be Presented on Balance Sheet at Fair Value

The Company identified the following liabilities that are required to be presented on the balance sheet at fair value:

 

Measured at Fair Value on a Recurring Basis

 

Warrant derivative liabilities                        
(in thousands)   Total     Level 1     Level 2     Level 3  
                         
June 30, 2012   $ -     $ -     $ -     $ -  
                                 
March 31, 2012   $ 452     $ -     $ 452     $ -