CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash Flows from Operating Activities:
Net loss	$ (21,427,964)	$ (147,957,910)
Reconciliation of net loss to net cash used in operating activities:
Depreciation and amortization	105,123
Changes in fair value of warrant liabilities	(18,000)	40,000
Stock-based compensation	5,356,972	16,350,592
Amortization on right-of-use assets	181,459
Research and development - intellectual property acquired		116,044,886
Changes in operating assets and liabilities:
Prepaid expenses and deposits	(1,384,725)	(90,567)
Interest receivable	51,988	(108,177)
Accounts payable and accrued expenses	(963,967)	1,241,260
Lease liability	(185,179)
Net cash used in operating activities	(18,284,293)	(14,479,916)
Cash Flows from Investing Activities:
Purchase of property and equipment	(374,983)	(147,668)
Net cash used in investing activities	(374,983)	(147,668)
Cash Flows from Financing Activities:
Proceeds from issuance of common stock and warrants in private placement, net of offering costs		66,945,000
Proceeds from exercise of stock options	57,744	18,125
Proceeds from exercise of warrants, net of offering costs	758,733	4,353,628
Repurchase of common stock to pay for employee withholding taxes		71,710
Net cash provided by financing activities	816,477	71,245,043
Net (decrease) increase in cash	(17,842,799)	56,617,459
Cash and cash equivalents at beginning of year	61,746,748	5,129,289
Cash and cash equivalents at end of year	43,903,949	61,746,748
Supplemental schedule of non-cash financing activities:
Fair value of repriced warrants as inducement		727,513
Stock warrants cashless exercised	$ 9	$ 280