Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities
Net loss	$ (21,791,757)	$ (6,808,657)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	2,075	2,163
Stock-based compensation	12,341,875	798,151
Fair value of shares relinquished in litigation		(394,410)
Realized loss on short-term investments	158,801
Unrealized gain on short-term investments	(287,027)
Change in operating assets and liabilities:
Other receivable		(176,980)
Other assets		(6,092)
Lease payment receivable	35,782	32,916
Prepaid expenses	183,329	381,124
Accounts payable	442,506	565,468
Accrued expenses	535,997	(72,692)
Net cash used in operating activities	(8,378,419)	(5,679,009)
Cash flows from investing activities
Purchase of short-term investments	(62,364,176)
Sale of short-term investments	22,393,644
Net cash used in investing activities	(39,970,532)
Cash flows from financing activities
Principal payments of notes payable	(110,247)	(114,738)
Proceeds from issuance of common stock	19,855,018	12,583,550
Proceeds from options exercised for common stock	530,643
Proceeds from warrants exercised for common stock	5,619,276
Net cash provided by financing activities	25,894,690	12,468,812
Net (decrease)/increase in cash and cash equivalents	(22,454,261)	6,789,803
Cash and cash equivalents at beginning of the period	36,278,519	2,426,751
Cash and cash equivalents at end of the period	13,824,258	9,216,554
Cash paid during the period for:
Income taxes
Interest	954	4,424
Non-cash investing and financing activities:
Cashless exercise of warrants for common stock	$ 36	25
Notes payable issued in connection with directors and officers insurance policies		$ 364,204