INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	6 Months Ended		12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Benefit at statutory rate (21%)	$ (4,297,300)		$ (4,198,708)	$ (1,234,622)	$ (2,033,178)
Foreign rate differential	(7,543)		(22,160)	(13,801)	(77,526)
Non-deductible transaction costs	0		299,965	0	54,541
Permanent items	(85,373)		141,223	63,229	178,827
State taxes	508,600		(985,983)	(338,078)	(232,844)
Other adjustments	49,754		0	0	0
Change in valuation allowance	3,831,862		4,765,663	1,523,272	2,110,180
Income tax expense (benefit)	$ 0	$ 0	$ 0	$ 0	$ 0