Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 216,411	$ 259,701
Grant funds and other receivables	64,246	121,814
Prepaid expenses and other current assets	39,139	238,189
Total current assets	319,796	619,704
Property and equipment, net (Note 5)	11,827	11,350
Deposits	11,010	11,010
Total assets	342,633	642,064
Current liabilities:
Accounts payable	116,207	125,859
Accrued expenses (Note 6)	1,510,268	1,238,552
Current portion of notes payable (Note 7)	12,500	260,420
Total current liabilities	1,638,975	1,624,831
Note payable, net of current portion (Note 7)	32,291	39,580
Total liabilities	1,671,266	1,664,411
Commitments (Note 8)
Stockholders’ equity (deficiency):
Preferred Stock, $.01 par value: Authorized shares – 10,000,000 Issued and outstanding shares – 3,402 and 3,450 at June 30, 2019 and December 31, 2018, respectively (Note 9)	2,337,867	1,971,333
Common stock, $.001 par value: Authorized shares – 600,000,000 Issued and outstanding shares – 813,916 and 437,807 at June 30, 2019 and December 31, 2018, respectively	814	438
Additional paid-in capital	38,165,172	37,482,766
Accumulated deficit	(41,832,486)	(40,476,884)
Total stockholders’ equity (deficiency)	(1,328,633)	(1,022,347)
Total liabilities and stockholders’ equity (deficiency)	$ 342,633	$ 642,064

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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Balance Type:	credit
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).