Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (17,827,952)	$ (17,239,777)
Adjustments to reconcile net loss to net cash used in operating activities
Compensation cost for stock options granted	3,019,409	7,102,118
Disposal of assets	31,732	5,806
Depreciation and amortization	46,520	52,789
Change in fair value of common stock warrant liability	2,332,567
Warrant financing expense	938,794
Change in stock-based compensation liability		1,741,919
Changes in operating assets and liabilities:
Prepaid expenses	(951,558)	(352,511)
Research and development tax rebate receivable	104,716	(221,558)
Other assets	(631,532)	4,812
Accounts payable	1,295,442	(60,157)
Accrued expenses	15,479	(99,186)
Payroll liabilities	64,245	(35,650)
Other current liabilities	(8,144)	(27,047)
Net cash used in operating activities	(11,570,282)	(9,128,442)
CASH FLOWS FROM INVESTING ACTIVITY
Purchase of furniture and equipment	(9,367)	(7,625)
Net cash used in investing activities	(9,367)	(7,625)
CASH FLOWS FROM FINANCING ACTIVITY
Proceeds from issuance of common stock, net of issuance costs	4,664,947
Proceeds from issuance of common stock and warrants, net of issuance costs	28,954,440
Proceeds from issuance of Series C convertible preferred stock and warrants, net of issuance costs	4,947,219
Payment of taxes related to net-exercise of employee stock options	(14,422)
Proceeds from exercise of warrants	0	11,336,710
Net cash provided by financing activities	38,552,184	11,336,710
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	26,972,535	2,200,643
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING BALANCE	12,691,136	10,490,493
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, ENDING BALANCE	39,663,671	12,691,136
SUPPLEMENTAL DISCLOSURES
Cash and cash equivalents	39,553,671	12,581,136
Restricted cash	110,000	110,000
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows	39,663,671	10,490,493
NONCASH INVESTING AND FINANCING ACTIVITIES
Reclassification of stock-based liability awards to equity upon cancellation		3,151,944
Deemed dividend attributable to preferred stock	4,502,799
Conversion of Series B Convertible Preferred Stock into Common Stock [Member]
NONCASH INVESTING AND FINANCING ACTIVITIES
Conversion of convertible preferred stock to common stock	50,000	1,707,999
Conversion of Series C Convertible Preferred Stock to Common Stock [Member]
NONCASH INVESTING AND FINANCING ACTIVITIES
Conversion of convertible preferred stock to common stock	$ 5,425,000