Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 710,682	$ 283,341
Grant funds and other receivables	187,163	68,603
Prepaid expenses and other current assets	40,470	95,320
Total current assets	938,315	447,264
Property and equipment, net (Note 5)	8,618	10,606
Deposits	11,010	11,010
Total assets	957,943	468,880
Current liabilities:
Accounts payable	91,416	152,653
Accrued expenses (Note 6)	2,076,359	1,851,040
Current portion of notes payable	182,379	12,500
Carrying value at June 30, 2020	435,711
Total current liabilities	2,785,865	2,016,193
Note payable, net of current portion	21,699	27,243
Total liabilities	2,807,564	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	376,095	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	13,834	300
Additional paid-in capital	41,658,861	39,340,224
Accumulated deficit	(43,898,411)	(42,847,513)
Total stockholders’ equity (deficiency)	(1,849,621)	(1,574,556)
Total liabilities and stockholders’ equity (deficiency)	$ 957,943	$ 468,880

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).