STOCKHOLDERS’ EQUITY - Schedule of the options granted to employee (Details) - USD ($)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Granted (in shares)		0
Weighted-Average Remaining Contractual Term (in years), Granted	3 years
Options
Beginning balance (in shares)	3,088,333	3,377,222
Granted (in shares)	720,169	0
Exercised (in shares)	0	(222,222)
Forfeited (in shares)	0	0
Expired (in shares)		(66,667)
Cancelled (in shares)	(150,669)
Ending balance (in shares)	3,657,833	3,088,333	3,377,222
Number of Shares, Vested and exercisable Ending Balance	2,997,972
Non-vested ending balance (in shares)	659,861
Beginning balance (in usd per share)	$ 1.13	$ 1.10
Exercise price (in usd per share)	2.51	0
Exercised (in usd per share)	0	0.75
Forfeited (in usd per share)	0	0
Expired (in usd per share)	0	0.75
Ending balance (in usd per share)	1.39	1.13	$ 1.10
Vested and exercisable ending balance (in usd per share)	1.04
Non-vested ending balance (in usd per share)	2.96
Beginning balance (in usd per share)	1.06	1.06
Granted (in usd per share)	1.18	0
Exercised (in usd per share)	0	0
Forfeited (in usd per share)	0	0
Expired (in usd per share)	0	3.12
Ending balance (in usd per share)	1.12	$ 1.06	$ 1.06
Vested and exercisable (in usd per share)	1.09
Non-vested (in usd per share)	$ 1.28
Aggregate Intrinsic Value of Outstanding Warrant Shares, Outstanding Beginning Balance	$ 1,829,999	$ 2,030,000
Aggregate Intrinsic Value of Outstanding Warrant Shares, Granted	(5,767)	0
Aggregate Intrinsic Value of Outstanding Warrant Shares, Exercised	0	0
Aggregate Intrinsic Value of Outstanding Warrant Shares, Forfeited	0	0
Aggregate Intrinsic Value of Outstanding Warrant Shares, Expired	0	(200,001)
Aggregate Intrinsic Value of Outstanding Warrant Shares, Outstanding Ending Balance	1,824,232	$ 1,829,999	$ 2,030,000
Aggregate Intrinsic Value of Outstanding Warrant Shares, Vested and exercisable Ending Balance	1,806,539
Aggregate Intrinsic Value of Outstanding Warrant Shares, Non-vested Ending Balance	$ 17,693
Weighted-Average Remaining Contractual Term (in years), Outstanding Balance	7 months 6 days	4 months 24 days	8 months 12 days
Weighted-Average Remaining Contractual Term (in years), Vested and exercisable Ending Balance	2 months 12 days
Weighted-Average Remaining Contractual Term (in years), Non-vested Ending Balance	2 years 3 months 18 days