Fair Value Measurements - Summary of Fair Value of Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring - USD ($)	Dec. 31, 2025	Jun. 30, 2025
Liabilities
Reclamation and environmental obligation	$ 2,347,589	$ 2,293,765
Royalty conversion feature	7,017,699	4,077,929
Warrant liability	3,307,499
Liabilities, Fair Value	12,672,787	6,371,694
Level 3
Liabilities
Reclamation and environmental obligation	2,347,589	2,293,765
Royalty conversion feature	7,017,699	4,077,929
Warrant liability	3,307,499
Liabilities, Fair Value	$ 12,672,787	$ 6,371,694