Mineral Properties - Additional Information (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2019 shares	Jun. 30, 2021 USD ($) a MiningClaim shares	Jun. 30, 2020 USD ($) shares
Mineral Properties [Line Items]
Change in reclamation and environmental obligation		$ 1,498,950	$ 278,181
Number of shares issued | shares	161,217	166,792	1,096,791
Purchase of mineral properties		$ 87,500
Mineral Property
Mineral Properties [Line Items]
Number of shares issued | shares		257,353
Fair value of shares issued		$ 277,941
Sleeper Gold Project | Nevada
Mineral Properties [Line Items]
Unpatented mining claims | MiningClaim		2,322
Area covered by lode mining claims | a		38,300
Change in reclamation and environmental obligation		$ 1,498,950	$ 278,181
Unpatented lode mining claims | MiningClaim		152
Purchase of mineral properties		$ 87,500
Fair value of unpatented lode mining claim		$ 365,441
Sleeper Gold Project | Nevada | Mineral Property
Mineral Properties [Line Items]
Number of shares issued | shares		257,353
Fair value of shares issued		$ 277,941
Grassy Mountain Project | Oregon
Mineral Properties [Line Items]
Federal mining claims | MiningClaim		442
Patented lode mining claims | MiningClaim		3
Area covered by mining claims | a		9,300