Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

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Summary of Significant Accounting Policies (Details)
Jun. 30, 2012
Jun. 30, 2011
Loss per Common Share    
All series of preferred stock issued and outstanding 4,370,550   
Outstanding options under the 2008 and 1999 Stock Incentive Plan and 1998 Scientific Advisory Board Plan 4,920,771 4,719,153
Outstanding warrants to purchase common stock 3,604,392 6,540,314
February 2012 12% convertible promissory notes and accrued interest (1) 347,897 [1]    [1]
Total 13,243,610 11,259,467
[1] assumes mandatory conversion in connection with a qualified financing at $2.00 per share, plus fee warrants to placement agent