Quarterly report pursuant to Section 13 or 15(d)

2. Liquidity and Financial Condition (Details Narrative)

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2. Liquidity and Financial Condition (Details Narrative) (USD $)
 3 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Apr. 22, 2012
Mar. 31, 2012
Liquidity And Financial Condition Details Narrative            
Net loss $ (1,912,000) $ (2,547,000) $ (2,986,000) $ (5,561,000)    
Accumulated deficit (135,300,000)   (135,300,000)     (132,314,000)
Working capital 5,602,000   5,602,000      
Common stock issued to investors in April 2012 offering         2,360,001  
Preferred Stock Issued To Investors In April 2012 Offering         1,000  
Warrants To Purchase Shares Of Common Stock Issued To Investors In April 2012 Offering         3,471,112  
Common stock issuable upon conversion of the Series A Preferred Stock         1,111,111  
Gross proceeds from sale of securities in April 2012 offering         3,124,000  
Net proceeds from sale of securities in April 2012 offering         2,797,000  
Placement agent commissions         $ 218,680