Note 6 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2025

Table Text Block [Abstract]

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award

The following table summarizes the stock-based compensation grants awarded during the six months ended June 30, 2025:

Grant date	Award type	Number granted		Grant date fair value per share
January 15, 2025	Restricted stock		325,016	5.41
March 24, 2025	Restricted stock		23,826	5.87
June 23, 2025	Restricted stock		1,613,885	5.82
June 23, 2025	Performance based		840,205	0.06

Schedule of Accumulated other comprehensive income (loss)

The following table lists the beginning balance, quarterly activity and ending balances, net of income and mining tax, of each component of “Accumulated other comprehensive income (loss), net” (in thousands):

	Changes in fair value of derivative contracts designated as hedge transactions			Adjustments For Pension Plans			Total Accumulated Other Comprehensive Income (Loss), Net
Balance January 1, 2025	$	5,994		$	(16,260	)	$	(10,266	)
Change in fair value of derivative contracts		2,787			—			2,787
Gains and deferred gains transferred from accumulated other comprehensive income		(353	)		—			(353	)
Balance March 31, 2025	$	8,428		$	(16,260	)	$	(7,832	)
Changes in fair value of derivative contracts		5,748			—			5,748
Gains and deferred gains transferred from accumulated other comprehensive income		(2,495	)		—			(2,495	)
Balance June 30, 2025	$	11,681		$	(16,260	)	$	(4,579	)
Balance January 1, 2024	$	13,708		$	(7,871	)	$	5,837
Changes in fair value of derivative contracts		(3,971	)		—			(3,971	)
Gains and deferred gains transferred from accumulated other comprehensive income		(1,432	)		—			(1,432	)
Balance March 31, 2024	$	8,305		$	(7,871	)	$	434
Changes in fair value of derivative contracts		(4,545	)		—			(4,545	)
Gains and deferred gains transferred from accumulated other comprehensive income		(1,943	)		—			(1,943	)
Balance June 30, 2024	$	1,817		$	(7,871	)	$	(6,054	)