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Condensed Consolidated Balance Sheets (USD $)
Jun. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 668,055 $ 1,079,087
Grant funds receivable 638,663 474,275
Prepaid expenses and other 41,017 48,830
Total current assets 1,347,735 1,602,192
Property and equipment, net of accumulated depreciation and amortization of $313,695 and $271,953 at June 30, 2011 and December 31, 2010, respectively 206,699 248,441
Other assets:    
Licenses, net of accumulated amortization of $196,489 and $184,047 at June 30, 2011 and December 31, 2010, respectively 52,367 64,809
Deferred offering costs 515,585 430,402
Deposits and other 11,990 11,990
Total other assets 579,942 507,201
Total assets 2,134,376 2,357,834
Current liabilities:    
Accounts payable and accrued expenses 520,626 338,628
Amounts payable to Emory University (a related party) 209,985 182,980
Total current liabilities 730,611 521,608
Commitments (Note 4)    
Stockholders’ equity:    
Common stock, $.001 par value, 40,000,000 shares authorized; 15,751,833 and 15,654,846 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively 15,753 15,655
Additional paid-in capital 22,490,814 22,105,747
Deficit accumulated during the development stage (21,102,802) (20,285,176)
Total stockholders’ equity 1,403,765 1,836,226
Total liabilities and stockholders’ equity $ 2,134,376 $ 2,357,834