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Consolidated Balance Sheets (USD $)
Dec. 31, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 1,035,925 $ 1,167,980
Grant funds receivable 266,248 183,515
Prepaid expenses and other current assets 42,301 66,508
Total current assets 1,344,474 1,418,003
Property and equipment, net of accumulated depreciation and amortization 102,486 176,206
Other assets:    
Licenses, net of accumulated amortization of $228,856 and $208,933 at December 31, 2012 and 2011 respectively 20,000 39,923
Deposits and other assets 11,010 11,010
Total other assets 31,010 50,933
Total assets 1,477,970 1,645,142
Current liabilities:    
Accounts payable 163,788 138,339
Accrued expenses 33,877 125,869
Amounts payable to Emory University (a related party) 129,370 677,327
Total current liabilities 327,035 941,535
Commitments (Note 4)      
Stockholders’ equity:    
Preferred stock, $.01 par value, 10,000,000 shares authorized; Series A Convertible Preferred Stock, $1,000 stated value; 788 and -0- shares issued and outstanding at December 31, 2012 and December 31, 2011, respectively 312,196  
Common stock, $.001 par value, 40,000,000 shares authorized; 18,733,277 and 16,442,611 shares issued and outstanding at December 31, 2012 and 2011, respectively 18,733 16,443
Additional paid-in capital 25,587,148 23,319,166
Deficit accumulated during the development stage (24,767,142) (22,632,002)
Total stockholders’ equity 1,150,935 703,607
Total liabilities and stockholders’ equity $ 1,477,970 $ 1,645,142