Note 4 - Employee Benefit Plans

3 Months Ended

Mar. 31, 2025

Disclosure Text Block [Abstract]

Employee Benefit Plans

Note 4. Employee Benefit Plans

We sponsor defined benefit pension plans covering all non-hourly U.S. employees hired prior to July 2024 and our hourly workers at the Lucky Friday mine, as well as and a Supplemental Excess Retirement Plan covering certain eligible employees.

Net periodic pension cost (benefit) for the plans consisted of the following for the three months ended March 31, 2025 and 2024 (in thousands):

	Three Months Ended March 31,
	2025			2024
Service cost	$	1,068		$	915
Interest cost		2,094			2,076
Expected return on plan assets		(3,251	)		(3,136	)
Amortization of prior service cost		20			66
Amortization of net loss		326			15
Net periodic pension cost (benefit)	$	257		$	(64	)

For the three months ended March 31, 2025 and 2024, the service cost component of net periodic pension benefit is included in the same line items of our condensed consolidated financial statements as other employee compensation costs. The net benefit related to all other components of net periodic pension cost of $0.8 million and $1.0 million for the three months ended March 31, 2025, and 2024, respectively, is included in other income on our condensed consolidated statements of operations and comprehensive income (loss).