Non-Cash Transactions - Additional Information (Details)	12 Months Ended
	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) ConvertibleNote shares
Nonmonetary Transaction [Line Items]
Number of shares issued | shares		362,427
Fair value of shares issued		$ 398,777
Shares of common stock issued under equity compensation plans | shares	266,000
Fair value of shares issued for equity compensation plans	$ 170,240
Amount of shares issued in exchange for services		181,458
Increase in asset retirement obligation and mineral properties	2,475,169
Increase in asset retirement obligation	$ 2,475,169	$ 179,150
Ausenco
Nonmonetary Transaction [Line Items]
Number of shares issued in exchange for services | shares		166,792
Amount of shares issued in exchange for services		$ 181,458
Increase in asset retirement obligation		$ 1,498,950
Interest Accrued And Owing
Nonmonetary Transaction [Line Items]
Number of shares issued | shares	404,584	362,427
Fair value of shares issued	$ 324,055	$ 398,777
Mineral Property
Nonmonetary Transaction [Line Items]
Number of shares issued | shares		257,353
Fair value of shares issued		$ 277,941
2019 Secured Convertible Notes
Nonmonetary Transaction [Line Items]
Capital issued for conversion of debt to common stock (in shares) | shares		1,200,000
Number of senior secured convertible notes converted | ConvertibleNote		1,200