CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Operating expenses:
Exploration and development costs	$ 14,856	$ 19,526
Mine site costs	14,651	9,886
General and administrative costs	14,479	14,472
Depreciation and amortization	2,024	2,233
Other (income), net	(165)	(9,410)
Asset retirement obligation adjustments and accretion expense	(1,377)	7,116
Loss from operations	(44,468)	(43,823)
Non-operating income (expense):
Other income (loss), net	10,444	(1,523)
Interest income	4,385	4,419
Interest expense	(11,025)	(19,969)
Net loss	$ (40,664)	$ (60,896)
Loss per share:
Basic (in USD per share)	$ (0.94)	$ (2.63)
Diluted (in USD per share)	$ (0.94)	$ (2.63)
Weighted average shares outstanding:
Basic (in shares)	43,260,501	23,176,014
Diluted (in shares)	43,260,501	23,176,014