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Note 6 - Business Segments (Tables)

6 Months Ended

Jun. 30, 2013

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Net sales to unaffiliated customers:
Greens Creek	$	70,082		$	67,023		$	142,731		$	157,923
Lucky Friday	$	5,128		$	(4	)	$	8,929		$	249
Casa Berardi	$	10,120		$	—		$	10,120		$	—
	$	85,330		$	67,019		$	161,780		$	158,172
Income (loss) from operations:
Greens Creek	$	9,802		$	23,313		$	36,991		$	70,695
Lucky Friday		(2,757	)		(6,498	)		(6,604	)		(12,441	)
Casa Berardi		(13,356	)		—			(13,356	)		—
Other		(26,311	)		(19,296	)		(51,866	)		(35,299	)
	$	(32,622	)	$	(2,481	)	$	(34,835	)	$	22,955

Identifiable Assets By Reportable Segment Table [Text Block]

	June 30, 2013		December 31, 2012
Identifiable assets:
Greens Creek	$	747,813	$	741,666
Lucky Friday		217,413		226,196
Casa Berardi		891,194		—
Other		416,035		410,428
	$	2,272,455	$	1,378,290

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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