Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 11,580,594	$ 283,341
Grant funds and other receivables	141,154	68,603
Prepaid expenses and other current assets	13,046	95,320
Total current assets	11,734,794	447,264
Property and equipment, net (Note 5)	10,093	10,606
Deposits	11,010	11,010
Total assets	11,755,897	468,880
Current liabilities:
Accounts payable	161,478	152,653
Accrued expenses (Note 6)	579,585	1,851,040
Current portion of notes payable	182,584	12,500
Total current liabilities	923,647	2,016,193
Note payable, net of current portion	18,506	27,243
Total liabilities	942,153	2,043,436
Commitments (Note 9)
Stockholders’ equity (deficiency):
Preferred Stock, $.01 par value (Note 10): Authorized shares – 10,000,000 Issued and outstanding shares – 400 and 2,486 June 30, 2020 and December 31, 2019, respectively	76,095	1,932,433
Common stock, $.001 par value: Authorized shares – 600,000,000 Issued and outstanding shares – 13,834,075 and 299,835 at June 30, 2020 and December 31, 2019, respectively	3,559	15
Additional paid-in capital	55,203,149	39,340,509
Accumulated deficit	(44,469,059)	(42,847,513)
Total stockholders’ equity (deficiency)	10,813,744	(1,574,556)
Total liabilities and stockholders’ equity (deficiency)	$ 11,755,897	$ 468,880