Note 3 - Business Segments, Sales of Products and Significant Customers (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Schedule of Information About Reportable Segments

The tables below present information about our reportable segments as of and for the years ended December 31, 2022, 2021 and 2020 (in thousands).

	2022			2021			2020
Net sales to unaffiliated customers:
Greens Creek	$	335,062		$	384,843		$	327,820
Lucky Friday		147,814			131,488			63,025
Keno Hill		—			—			—
Casa Berardi		235,136			245,152			209,224
Nevada Operations		419			45,814			58,898
Other		474			176			32,906
Total sales to unaffiliated customers	$	718,905		$	807,473		$	691,873
Income (loss) from operations:
Greens Creek	$	87,297		$	164,666		$	114,607
Lucky Friday		27,636			31,683			(1,711	)
Keno Hill		(4,249	)		—			—
Casa Berardi		(21,799	)		5,807			10,379
Nevada Operations		(38,134	)		(46,115	)		(6,674	)
Other		(63,189	)		(72,621	)		(49,623	)
Total (loss) income from operations	$	(12,438	)	$	83,420		$	66,978
Capital additions (excluding non-cash items):
Greens Creek	$	36,898		$	23,883		$	19,685
Lucky Friday		50,992			29,885			25,776
Keno Hill		19,725			—			—
Casa Berardi		39,667			49,617			40,840
Nevada Operations		333			5,470			4,003
Other		1,763			193			712
Total capital additions	$	149,378		$	109,048		$	91,016

Depreciation, depletion and amortization:
Greens Creek	$	48,911		$	48,710			49,692
Lucky Friday		33,704			26,846			11,473
Keno Hill		—			—			—
Casa Berardi		60,962			80,744			60,552
Nevada Operations		361			15,341			22,845
Other		—			152			3,548
Total depreciation, depletion and amortization	$	143,938		$	171,793		$	148,110
Other significant non-cash items:
Greens Creek	$	2,821		$	3,653		$	3,103
Lucky Friday		1,138			1,048			881
Keno Hill		1,669			—			—
Casa Berardi		1,520			1,284			(1,741	)
Nevada Operations		4,384			7,740			2,039
Other		(816	)		(20,030	)		8,569
Total other significant non-cash items	$	10,716		$	(6,305	)	$	12,851
Identifiable assets:
Greens Creek	$	582,687		$	589,944		$	610,360
Lucky Friday		571,510			516,545			520,463
Keno Hill		276,096			—			—
Casa Berardi		681,631			701,868			727,008
Nevada Operations		466,722			468,985			513,309
Other		348,526			451,466			329,070
Total identifiable assets	$	2,927,172		$	2,728,808		$	2,700,210

Schedule of Long-lived Assets by Geographic Area

The following are our long-lived assets by geographic area as of December 31, 2022 and 2021 (in thousands):

	2022		2021
United States	$	1,670,676	$	1,662,689
Canada		891,375		640,367
Mexico		7,739		7,754
Total long-lived assets	$	2,569,790	$	2,310,810

Schedule of Sales Contributed by Each Segment

Sales of metal concentrates and metal products are made principally to custom smelters, third-party processors and metal traders. The percentage of sales contributed by each segment is reflected in the following table:

	Year Ended December 31,
	2022			2021			2020
Greens Creek		46.6	%		47.6	%		47.4	%
Lucky Friday		20.6	%		16.3	%		9.1	%
Casa Berardi		32.7	%		30.4	%		30.2	%
Nevada Operations		0.1	%		5.7	%		8.5	%
Other		—			—			4.8	%
		100	%		100	%		100	%

Schedule of Sales of Products by Metal

Sales of metal for the years ended December 31, 2022, 2021 and 2020 were as follows (in thousands):

	Year Ended December 31,
	2022			2021			2020
Silver	$	265,054		$	293,646		$	260,227
Gold		298,910			362,037			356,166
Lead		83,384			75,431			48,776
Zinc		123,057			125,292			95,065
Less: Smelter and refining charges		(51,973	)		(48,933	)		(68,361	)
Sales of products	$	718,432		$	807,473		$	691,873

Schedule of Sales Information by Geographic Area

The following is sales information by geographic area based on the location of smelters and metal traders (for concentrate shipments) and the location of parent companies (for doré sales to metal traders) for the years ended December 31, 2022, 2021 and 2020 (in thousands):

	2022		2021		2020
United States	$	21,938	$	71,278	$	115,378
Canada		406,600		419,090		321,896
Japan		51,375		63,588		39,418
Netherlands		—		—		(923	)
Korea		107,828		203,115		166,402
China		136,514		50,945		66,082
Total, excluding gains/losses on forward contracts	$	724,255	$	808,016	$	708,253

Sales by significant product type for the years ended December 31, 2022, 2021 and 2020 were as follows (in thousands):

	Year Ended December 31,
	2022		2021		2020
Doré and metals from doré	$	255,608	$	313,337	$	266,536
Carbon		2,607		4,117		60,302
Silver concentrate		329,165		345,732		281,050
Zinc concentrate		109,177		112,448		76,481
Precious metals concentrate		27,698		32,382		23,884
Total, excluding gains/losses on forward contracts	$	724,255	$	808,016	$	708,253

Schedule of Sales from Continuing Operations to Significant Metals Customers

Sales from continuing operations to significant metals customers as a percentage of total sales were as follows for the years ended December 31, 2022, 2021 and 2020:

	Year Ended December 31,
	2022			2021			2020
Customer A		35.4	%		37.2	%		32.7	%
Customer B		23.9	%		21.5	%		16.1	%
Customer C		11.3	%		21.6	%		13.3	%
Customer D		3.5	%		6.2	%		13.9	%