Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net loss	$ (6,735,781)	$ (4,259,546)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	16,744	17,739
Non-cash lease expense	60,475	56,698
Share-based compensation	149,941	175,426
Issuance of common stock to vendors for services	100,001
Amortization of deferred issuance costs associated with convertible debt	20,598	20,986
Gain on forgiveness of PPP loan		(421,584)
Change in operating assets and liabilities:
Licensing, contracts and grants receivable	(182,890)	86,094
Prepaid expenses and other current assets	45,768	76,879
Research and development incentives receivable	70,335	306,651
Operating lease liability	(60,244)	(56,698)
Deferred revenue	200,000
Accounts payable and accrued expenses	793,324	(838,749)
Accrued compensation	(245,174)	(808,043)
Net cash used in operating activities	(5,766,903)	(5,644,147)
Investing activities:
Purchases of office furniture and equipment	(13,073)
Net cash used in investing activities	(13,073)
Financing activities:
Proceeds from issuance of common stock pursuant to B. Riley At Market Issuance Sales Agreement		16,490,329
Costs associated with B. Riley At Market Issuance Sales Agreement		(496,450)
Proceeds from the exercise of warrants		51
Costs associated with issuance of convertible debt		(45,512)
Principal repayment - financing lease		(4,048)
Net cash provided by financing activities		15,944,370
Effect of exchange rate on cash and cash equivalents	(106,229)	3,083
Net (decrease)/increase in cash and cash equivalents	(5,886,205)	10,303,306
Cash and cash equivalents at beginning of period	26,043,897	18,676,663
Cash and cash equivalents at end of period	20,157,692	28,979,969
Supplemental information:
Cash paid for state income taxes	5,600	7,382
Cash paid for interest	432,751	444,814
Cash paid for lease liabilities:
Operating lease	66,650	66,650
Financing lease		4,272
Non-cash activities:
Right-of-use assets and lease liabilities recorded	$ 347,546
Deferred issuance cost reclassified to additional paid-in capital		$ 47,727