CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
Cash flows from operating activities:
Net loss	$ (12,534)	$ (9,061)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2	2
Stock-based compensation	2,639	215
Foreign exchange (gain) loss, net	2,108	551
Performance bonds facility fee	682	609
Accretion of asset retirement obligations	811	289
Accrued interest income	(402)	0
Changes in operating assets and liabilities:
Trade and other receivables	32	(4,528)
Prepaid expenses and other assets	182	(716)
Accounts payable and accrued expenses	(3,703)	(1,171)
Other non-current liabilities	7	11
Net cash used in operating activities	(10,176)	(13,799)
Cash flows from investing activities:
Payments for property, plant and equipment	(348)	(40)
Payments for exploration and evaluation	(73,324)	(19,860)
Payments for assets under construction	(10,537)	(7,586)
Payment of transaction costs for Falcon Acquisition	(10,375)	0
Payment of interest on borrowings	(1,629)	0
Payment of interest on finance lease liabilities	(284)	(948)
Proceeds from government grants for exploration	2,105	0
Net cash used in investing activities	(94,392)	(28,434)
Cash flows from financing activities:
Proceeds from issue of common stock	0	10,966
Contributions received from noncontrolling interest holders	28,287	28,994
Advance contributions received from noncontrolling interest holders	0	1,943
Common stock issue transaction costs	0	(619)
Payment of performance bond facility fees	487	(271)
Proceeds from borrowings	13,143	0
Repayment of lease liabilities	(735)	(3,076)
Net cash from financing activities	41,182	37,937
Net (decrease) increase in cash and cash equivalents and restricted cash	(63,386)	(4,297)
Cash and cash equivalents and restricted cash at the beginning of period	231,095	45,161
Effects of exchange rate changes on cash and cash equivalents	1,997	(1,308)
Cash and cash equivalents and restricted cash at the end of period	169,706	39,556
Non-cash investing and financing activities:
Accrued capital expenditure	2,232	9,872
Asset retirement obligations	(54)	(60)
Stock-based compensation	(426)	(621)
Contribution receivable from noncontrolling interest holders	7,768	(1,313)
Operating lease right-of-use assets and lease liabilities	(832)	(2,650)
Interest accrued on finance lease liabilities	(284)	(212)
Finance lease right-of-use assets and lease liabilities	(698)	(3,207)
Interest and fee payable	(1,134)	0
Non-cash finance lease costs capitalized to unproved properties	2,097	2,533
Non-cash equity issuance transactions	0	3,176
Redemption of redeemable noncontrolling interest	$ (1,863)	$ 0