UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating expenses:
Exploration and development costs	$ 2,999	$ 4,903
General and administrative costs	2,933	2,913
Mine site costs	2,469	2,584
Depreciation, amortization, and inventory adjustments	545	616
Asset retirement obligation adjustments and accretion expense	333	2,223
Gain on asset sales	(57)	(1,311)
Loss from operations	(9,222)	(11,928)
Non-operating expenses:
Interest income	713	1,298
Other income	137	0
Interest expense	(3,387)	(10,119)
Net loss	$ (11,759)	$ (20,749)
Loss per share:
Basic (in dollars per share)	$ (0.47)	$ (1.00)
Diluted (in dollars per share)	$ (0.47)	$ (1.00)
Weighted average shares outstanding:
Basic (in shares)	24,948,434	20,811,602
Diluted (in shares)	24,948,434	20,811,602