Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 2,240,486	$ 1,167,980
Grant funds receivable	345,112	183,515
Prepaid expenses and other current assets	47,935	66,508
Total current assets	2,633,533	1,418,003
Property and equipment, net of accumulated depreciation and amortization of $374,514 and $356,084 at March 31, 2012 and December 31, 2011, respectively	157,776	176,206
Other assets:
Licenses, net of accumulated amortization of $213,913 and $208,933 at March 31, 2012 and December 31, 2011, respectively	34,942	39,923
Deposits and other assets	11,010	11,010
Total other assets	45,952	50,933
Total assets	2,837,261	1,645,142
Current liabilities:
Accounts payable	184,136	138,339
Accrued expenses	33,105	125,869
Amounts payable to Emory University (a related party)	292,958	677,327
Total current liabilities	510,199	941,535
Commitments (Note 4)
Stockholders’ equity:
Preferred stock, $0.01 par value, 10,000,000 shares authorized; Series A convertible preferred stock, $1,000 stated value; 2,200 and -0- shares issued and outstanding at March 31, 2012 and December 31, 2011, respectively	871,614
Common stock, $0.001 par value, 40,000,000 shares authorized; 16,850,610 and 16,442,611 shares issued and outstanding at March 31, 2012 and December 31, 2011, respectively	16,851	16,443
Additional paid-in capital	24,801,112	23,319,166
Deficit accumulated during the development stage	(23,362,515)	(22,632,002)
Total stockholders’ equity	2,327,062	703,607
Total liabilities and stockholders’ equity	$ 2,837,261	$ 1,645,142