Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net loss	$ (3,048,618)	$ (3,985,408)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	257,622	124,992
Stock-based 401K company common match	35,747	9,800
Depreciation expense	1,860	3,902
Operating lease expense	60,257	0
Changes in assets and liabilities:
Prepaid expenses and other assets	(721,849)	(570,916)
Accounts payable	(464,626)	1,358,983
Accrued expenses	119,473	122,551
Restructuring reserve	0	(228,298)
Operating lease liabilities	(42,057)	0
Net cash used in operating activities	(3,802,191)	(3,164,394)
Cash flows from financing activities:
Proceeds from exercise of warrants	0	70,459
Proceeds from issuance of common stock, net of issuance costs	0	11,970,002
Net cash provided by financing activities	0	12,040,461
Net increase (decrease) in cash and cash equivalents	(3,802,191)	8,876,067
Cash and cash equivalents at beginning of period	28,839,565	12,161,739
Cash and cash equivalents at end of period	$ 25,037,374	$ 21,037,806