Net loss per share of common stock (Details) - $ / shares	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Net loss per share of common stock (Details) [Line Items]
Conversion of Common Stock		24,638,241
Convertible preferred equity	23,325,000
Cash warrants	23,325,000
Exercise price (in Dollars per share)	$ 0.30
Warrants exercisable	8,050,000	1,075,000
Class B Preferred Stock [Member]
Net loss per share of common stock (Details) [Line Items]
Convertible preferred equity	4,665