Consolidated Statements of Cash Flows - USD ($)	6 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Net loss	$ (8,196,542)	$ (10,509,403)	$ (17,318,060)	$ (8,960,852)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	2,200	2,707	4,870	2,627
Stock-based compensation	2,367,001	415,844	1,213,996	517,999
Amortization of deferred financing costs		661,167	661,168	1,029,183
Change in fair value of derivative liabilities		54,636	54,634	708,901
Fair value of shares relinquished		(394,410)	(394,410)
Loss on promissory note extinguishment		3,774,468	3,774,468
Changes in operating assets and liabilities:
Prepaid expenses and other assets	96,882	(110,744)	270,167	42,741
Other receivable	176,980	7,617	(169,363)	224,980
Other assets		5,880
Lease payment receivable	34,319	31,570	64,486	59,319
Accounts payable	(401,696)	(406,549)	158,920	157,392
Accrued expenses	(492,919)	1,648,372	1,181,270	215,632
Net cash used in operating activities	(6,413,775)	(4,818,845)	(10,497,854)	(6,002,078)
Cash flows from investing activities
Purchase of investments	(84,849,198)
Sale of investments	4,684,375
Purchase of fixed assets				(12,391)
Net cash used in investing activities	(80,164,823)			(12,391)
Cash flows from financing activities
Proceeds from promissory notes and warrants, net of fees				6,534,400
Proceeds from sale of equity units, net of costs	109,447,482	5,177,085	17,760,635
Proceeds from warrants exercised for common stock	4,447,038
Payment/proceeds on notes payable	(253,957)	(170,432)	(285,170)	8,500
Net cash provided by financing activities	113,640,563	5,006,653	17,475,465	6,542,900
Net increase in cash and cash equivalents	27,061,965	187,808	6,977,611	528,431
Cash and cash equivalents at beginning of the period	9,216,554	2,238,943	2,238,943	1,710,512
Cash and cash equivalents at end of the period	36,278,519	2,426,751	9,216,554	2,238,943
Cash paid during the period for:
Income taxes
Interest		1,509	5,933	2,559
Non-cash investing and financing transactions:
Notes payable issued in connection with director and officer insurance policies			364,204	285,170
Derivative liabilities associated with issuance of promissory notes				3,309,880
Issuance of warrants to promissory notes payable placement agent				200,658
Issuance of warrants to holders of promissory notes payable				1,268,832
Cashless exercise of warrants for common stock	43		100	18
Cashless exercise of options for common stock	62
Issuance of restricted stock for services				4
Write off for derivative liability due to adoption of ASU 2017-11		59,397	59,397
Conversion of promissory notes and accrued interest to common stock		$ 8,030,365	$ 8,030,365