Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue	$ 4,290,224	$ 343,500
Cost of goods sold	14,864,633	3,304,707
Gross loss	(10,574,409)	(2,961,207)
General and administrative	21,151,445	16,106,807
Research and development	8,470,161	14,325,681
Exploration	1,827,314	4,121,941
Impairment charge on held-for-sale assets		10,254,037
Total operating expenses	31,448,920	44,808,466
Net loss before other income (expense)	(42,023,329)	(47,769,673)
Other income (expense)
Interest expense	(19,445)	(158,078)
Amortization and accretion of financing costs	(3,776,177)	(4,194,971)
Unrealized loss on investment		(62,497)
Change in fair value of derivative liability	705,184	(338,886)
Loss on debt extinguishment	(675,648)
Loss on private placement	(567,161)
Change in fair value of liability-classified financial instruments	875,100
Credit loss on receivable pursuant to share purchase agreement (Tysadco)	(1,415,803)
Other income	134,654	22,281
Total other income (expense)	(4,739,296)	(4,732,151)
Net loss attributable to common stockholders	$ (46,762,625)	$ (52,501,824)
Net loss per share, basic	$ (0.58)	$ (1.02)
Net loss per share, diluted	$ (0.58)	$ (1.02)
Weighted average shares outstanding, basic	80,316,363	51,243,106
Weighted average shares outstanding, diluted	80,316,363	51,243,106