Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (22,885,449)	$ (29,417,969)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,224,146	2,612,855
Depreciation	70,814	58,282
Fair value of shares issued for commitment fee	355,555
Loss on disposal of property and equipment	3,981	57,578
Non-cash interest expense	3,674
Impairment of in-process research and development	118,600
Changes in operating assets and liabilities
Prepaid expenses and other current assets	127,895	267,665
Accounts payable	1,111,019	(472,739)
Accrued expenses and other current liabilities	1,842,350	(2,602,001)
Other noncurrent assets		(10,620)
Net cash used in operating activities	(17,027,415)	(29,506,949)
Cash flows from investing activities:
Purchase of property and equipment	(10,902)	(178,967)
Net cash used in investing activities	(10,902)	(178,967)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of issuance costs	10,159,766
Proceeds from Paycheck Protection Program loan	562,479
Proceeds from exercise of stock options		92,272
Net cash provided by financing activities	10,722,245	92,272
Net decrease in cash and cash equivalents	(6,316,072)	(29,593,644)
Cash and cash equivalents, beginning of the year	12,077,640	41,671,284
Cash and cash equivalents, end of the year	$ 5,761,568	$ 12,077,640