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Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
ASSETS    
Cash and cash equivalents $ 569,359 $ 259,701
Grant funds and other receivables 103,485 121,814
Prepaid expenses and other current assets 122,746 238,189
Total current assets 795,590 619,704
Property and equipment, net (Note 5) 9,929 11,350
Deposits 11,010 11,010
Total assets 816,529 642,064
Current liabilities:    
Accounts payable 63,143 125,859
Accrued expenses (Note 6) 1,732,438 1,238,552
Current portion of notes payable (Note 7) 12,500 260,420
Total current liabilities 1,808,081 1,624,831
Note payable, net of current portion (Note 7) 29,167 39,580
Total liabilities 1,837,248 1,664,411
Commitments (Note 8)
Stockholders’ equity (deficiency):    
Preferred Stock, $.01 par value (Note 9): Authorized shares – 10,000,000 Issued and outstanding shares – 3,054 and 3,450 September 30, 2019 and December 31, 2018, respectively 2,321,823 1,971,333
Common stock, $.001 par value: Authorized shares – 600,000,000 Issued and outstanding shares – 95,627,584 and 437,807 at September 30, 2019 and December 31, 2018, respectively 95,628 438
Additional paid-in capital 38,818,750 37,482,766
Accumulated deficit (42,256,920) (40,476,884)
Total stockholders’ equity (deficiency) (1,020,719) (1,022,347)
Total liabilities and stockholders’ equity (deficiency) $ 816,529 $ 642,064