Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (3,906,142)	$ (6,853,562)	$ (11,335,836)
Adjustments to reconcile net loss to net cash used in operating activities
Compensation cost for stock options granted		1,724,236	5,594,629
Disposal of assets		2,226	5,806
Depreciation and amortization		24,711	27,549
Change in fair value of stock-based compensation liability			1,741,919
Changes in operating assets and liabilities:
Prepaid expenses		(602,022)	(303,335)
Research and development tax rebate receivable		(20,966)	111,792
Other assets		(237,827)	30,802
Accounts payable		739,536	(35,062)
Accrued expenses		14,967	(345,625)
Payroll liabilities		(244,012)	(123,589)
Other current liabilities		(6,704)	(20,101)
Net cash used in operating activities		(5,459,417)	(4,651,051)
CASH FLOWS FROM INVESTING ACTIVITY
Purchase of furniture and equipment		(6,610)	(7,625)
Net cash used in investing activities		(6,610)	(7,625)
CASH FLOWS FROM FINANCING ACTIVITY
Proceeds from issuance of common stock, net of issuance costs		347,627
Proceeds from exercise of warrants	0	0	11,336,710
Net cash provided by financing activities		347,627	11,336,710
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH		(5,118,400)	6,678,034
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING BALANCE		12,691,136	10,490,493
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, ENDING BALANCE	7,572,736	7,572,736	17,168,527
SUPPLEMENTAL DISCLOSURES
Cash and cash equivalents	7,462,736	7,462,736	17,058,527
Restricted cash	110,000	110,000	110,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, ENDING BALANCE	$ 7,572,736	7,572,736	17,168,527
NONCASH INVESTING AND FINANCING ACTIVITIES
Reclassification of stock-based liability awards to equity upon cancellation			3,151,944
Conversion of Series B convertible preferred stock to common stock		$ 45,000	$ 1,703,000