Note 6 - Business Segments (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

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

	Three Months Ended March 31,
	2016			2015
Net sales to unaffiliated customers:
Greens Creek	$	53,882		$	67,355
Lucky Friday		21,252			19,891
Casa Berardi	$	32,198		$	31,846
San Sebastian		23,685			—
	$	131,017		$	119,092
Income (loss) from operations:
Greens Creek	$	8,078		$	14,693
Lucky Friday		2,743			3,546
Casa Berardi		1,934			(765	)
San Sebastian		14,912			—
Other		(12,094	)		(12,552	)
	$	15,573		$	4,922

	March 31, 2016		December 31, 2015
Identifiable assets:
Greens Creek	$	698,102	$	698,265
Lucky Friday		420,306		393,338
Casa Berardi		782,962		779,423
San Sebastian		25,882		22,238
Other		311,921		328,661
	$	2,239,173	$	2,221,925