Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net and comprehensive income (loss)	$ 402,346	$ (18,824,371)
Adjustments to reconcile net and comprehensive income (loss) to net cash used in operating activities:
Depreciation	45,887	53,692
Stock-based compensation	967,949	1,872,245
Consulting expense related to warrants	71,939
Changes in operating assets and liabilities:
Prepaid research and development contracts	(144,701)	216,092
Other current assets	(1,090,666)	(260,811)
Accounts payable and other current liabilities	(817,121)	(2,044,301)
Net cash used in operating activities	(564,367)	(18,987,454)
Investing activities:
Purchase of furniture and equipment	(19,025)	(236,953)
Net cash used in investing activities	(19,025)	(236,953)
Financing activities:
Proceeds from issuance of common stock	9,743,637
Cash paid in connection with the sale of common stock	(402,795)
Net cash provided by financing activities	9,340,842
Net increase (decrease) in cash and cash equivalents	8,757,450	(19,224,407)
Cash and cash equivalents at beginning of year	38,524,536	62,614,010
Cash and cash equivalents, nine months ended	$ 47,281,986	$ 43,389,603