Quarterly report pursuant to Section 13 or 15(d)

3. Condensed Consolidated Balance Sheets (Details Narrative)

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3. Condensed Consolidated Balance Sheets (Details Narrative) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Mar. 31, 2013
Interest expense $ 250 $ 288  
Remaining balance of loans, current portion of long-term debt 657   1,259
Current portion of Cash Settlement Liability 153   37
VLL5 Agreements
      
Interest expense 20 59  
Principal payments made 450 278  
VLL6 Agreements
      
Interest expense 61 76  
Principal payments made 220 118  
VLL5 Warrants
      
Interest expense 68 63  
Remaining balance of the discount on the loans 32    
Current portion of long-term debt 244    
VLL6 Warrants
      
Interest expense 99 87  
Remaining balance of the discount on the loans 570    
Current portion of long-term debt 1,595    
Remaining balance of loans, current portion of long-term debt 793    
Cash Settlement Liability 408    
Current portion of Cash Settlement Liability 153    
Prepayment against Cash Settlement Liability 1,592    
WTI
      
Fair value of shares issued pursuant to stock purchase agreement 1,592   1,901
Loss on fair value of shares held by WTI $ (309)