Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net loss	$ (12,148,257)	$ (6,483,931)
Adjustments to reconcile net loss to cash used in operating activities:
Amortization and depreciation	52,635	37,892
Non-cash lease expense	100,720	91,185
Share-based compensation	211,266	233,992
Issuance of common stock for milestone	5,000,000
Issuance of common stock for services	59,000	159,238
Realized gain on sale of office furniture		(3,843)
Change in operating assets and liabilities:
Contracts and grants receivable	624,433	332,418
Prepaid expenses and other current assets	(70,500)	(432,038)
Research and development incentives receivable	(5,164)
Operating lease liability	(101,779)	(89,919)
Deferred revenue		34,988
Accounts payable and accrued expenses	(827,680)	1,509,729
Accrued compensation	(224,145)	(255,999)
Total adjustments	4,818,786	1,617,643
Net cash used in operating activities	(7,329,471)	(4,866,288)
Investing activities:
Purchases of office furniture and equipment	(7,147)
Proceeds from sale of office furniture		5,500
Net cash provided by (used in) investing activities	(7,147)	5,500
Financing activities:
Proceeds from issuance of common stock pursuant to FBR At Market Issuance Sales Agreement	12,691,268	2,554,147
Costs associated with FBR At Market Issuance Sales Agreement	(551,755)	(102,169)
Proceeds from the exercise of warrants	685,384
Financing lease principal repayments	(5,566)	(5,039)
Paycheck Protection Program loan	417,830
Proceeds from the exercises of stock options	4,987
Net cash provided by financing activities	13,242,148	2,446,939
Effect of exchange rate on cash and cash equivalents	16,556	(18,075)
Net increase (decrease) in cash and cash equivalents	5,922,086	(2,431,924)
Cash and cash equivalents at beginning of period	5,420,708	8,983,717
Cash and cash equivalents at end of period	11,342,794	6,551,793
Supplemental information:
Cash paid for state income taxes	4,021	5,000
Cash paid for lease liabilities:
Operating lease	106,950	104,625
Financing lease	6,408	6,408
Non-cash activities:
Right-of-use assets and lease liabilities recorded	240,727	255,962
Deferred issuance cost included in accounts payable	57,884
Deferred issuance cost reclassified to additional-paid-in capital	124,981	24,033
Issuance of restricted common stock to vendor for website re-development		$ 46,500