Note 2 -Business Segments and Sales of Products (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Net sales to unaffiliated customers:
Greens Creek	$	92,723		$	113,763		$	178,813		$	212,172
Lucky Friday		35,880			39,645			73,920			68,767
Casa Berardi		62,639			56,122			124,740			129,033
Nevada Operations		—			8,450			268			18,687
Other		—			3			—			176
	$	191,242		$	217,983		$	377,741		$	428,835
Income (loss) from operations:
Greens Creek	$	27,803		$	56,433		$	62,389		$	101,033
Lucky Friday		5,528			11,737			14,299			18,060
Casa Berardi		(572	)		(529	)		(3,271	)		11,177
Nevada Operations		(9,728	)		(20,341	)		(21,963	)		(23,481	)
Other		(15,319	)		(18,158	)		(28,984	)		(36,618	)
	$	7,712		$	29,142		$	22,470		$	70,171

	June 30, 2022		December 31, 2021
Identifiable assets:
Greens Creek	$	580,692	$	589,944
Lucky Friday		524,734		516,545
Casa Berardi		699,134		701,868
Nevada Operations		468,901		468,985
Other		443,642		451,466
	$	2,717,103	$	2,728,808

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Silver	$	70,050		$	92,765		$	136,382		$	170,525
Gold		82,018			86,078			159,186			187,487
Lead		21,314			22,223			40,878			38,116
Zinc		31,176			30,037			66,814			59,228
Less: Smelter and refining charges		(13,316	)		(13,120	)		(25,519	)		(26,521	)
	$	191,242		$	217,983		$	377,741		$	428,835