Note 9 - Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2024

Table Text Block [Abstract]

Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings

Fair value adjustments, net is comprised of the following (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
(Loss) gain on derivative contracts	$	(586	)	$	3,022		$	(2,485	)	$	4,008
Unrealized gain (loss) on equity securities investments		5,588			(5,580	)		5,635			(3,385	)
Total fair value adjustments, net	$	5,002		$	(2,558	)	$	3,150		$	623

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The table below sets forth our assets and liabilities that were accounted for at fair value on a recurring basis and the fair value calculation input hierarchy level that we have determined applies to each asset and liability category (in thousands).

Description	Balance at June 30, 2024			Balance at December 31, 2023		Input Hierarchy Level
Assets:
Cash and cash equivalents:
Money market funds and other bank deposits	$	24,585		$	106,374	Level 1
Current and non-current investments:
Equity securities		36,900			32,284	Level 1
Trade accounts receivable:
Receivables from provisional concentrate sales		30,242			14,740	Level 2
Restricted cash and cash equivalent balances:
Certificates of deposit and other deposits		1,171			1,165	Level 1
Derivative contracts - current and non-current derivative assets:
Foreign exchange contracts		98			4,657	Level 2
Metal forward contracts		174			4,698	Level 2
Total assets	$	93,170		$	163,918
Liabilities:
Derivative contracts - current and non-current derivative liabilities:
Foreign exchange contracts	$	4,718		$	1,508	Level 2
Metal forward contracts		(2,702	)		40	Level 2
Total liabilities	$	2,016		$	1,548