Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 404,474	$ 162,752
Grant receivable		48,000
Capitalized financing costs		85,702
Prepaid expenses, including current portion of long-term prepaid insurance of $14,945 at September 30, 2015 and December 31, 2014	$ 43,541	24,219
Total current assets	448,015	320,673
Equipment, net of accumulated depreciation of $7,038 and $1,659 at September 30, 2015 and December 31, 2014, respectively	13,859	16,741
Long-term prepaid insurance, net of current portion of $14,945 at September 30, 2015 and December 31, 2014	51,685	62,894
Total assets	513,559	400,308
Current liabilities:
Accounts payable and accrued expenses, including $94,000 and $108,375 payable to related parties at September 30, 2015 and December 31, 2014, respectively	1,408,723	1,845,875
Accrued compensation and related expenses	$ 425,059	144,000
Unearned grant revenues		34,333
10% convertible notes payable, including accrued interest of $46,172 and $4,093, net of unamortized discount of $464,746 and $323,350, at September 30, 2015 and December 31, 2014, respectively	$ 160,926	50,243
Note payable to related party, including accrued interest of $158,998 and $122,618 at September 30, 2015 and December 31, 2014, respectively	541,211	$ 526,257
Other short-term notes payable, including accrued interest of $2,953	77,350
Total current liabilities	2,613,269	$ 2,600,708
Stockholders' deficiency:
Common stock, $0.001 par value; shares authorized: 1,400,000,000; shares issued and outstanding: 477,221,347 and 232,145,326 at September 30, 2015 and December 31, 2014, respectively	477,221	232,145
Additional paid-in capital	143,702,074	138,984,110
Accumulated deficit	(146,558,287)	(142,311,095)
Total stockholders' deficiency	(2,099,710)	(2,200,400)
Total liabilities and stockholders' deficiency	513,559	400,308
Series B Convertible Preferred Stock [Member]
Stockholders' deficiency:
Preferred stock value	21,703	21,703
Series G 1.5% Cumulative Mandatorily Convertible Preferred Stock [Member]
Stockholders' deficiency:
Preferred stock value	$ 257,579	$ 872,737