Note 12 - Segment Information (Tables)

9 Months Ended

Sep. 30, 2012

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

Identifiable assets:	Sept. 30, 2012		Dec. 31, 2011
Thermal Products	$	21,950	$	20,030
Mechanical Products		6,344		8,240
Electrical Products		5,374		2,967
	$	33,668	$	31,237

Long-lived assets:	Sept. 30, 2012		Dec. 31, 2011
U.S.	$	995	$	836
Foreign		251		298
	$	1,246	$	1,134

Three and Nine Months Ended [Member]

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

	Three Months Ended Sept. 30,						Nine Months Ended Sept. 30,
Net revenues from unaffiliated customers:	2012			2011			2012			2011
Thermal Products	$	6,037		$	7,572		$	18,651		$	19,593
Mechanical Products		2,677			3,172			8,277			13,299
Electrical Products		2,086			941			8,189			4,327
Intersegment sales		(1	)		(4	)		(11	)		(34	)
	$	10,799		$	11,681		$	35,106		$	37,185
Intersegment sales:
Thermal Products	$	-		$	-		$	-		$	-
Mechanical Products		-			3			10			7
Electrical Products		1			1			1			27
	$	1		$	4		$	11		$	34
Earnings (loss) before income tax expense (benefit):
Thermal Products	$	895		$	2,346		$	2,267		$	4,939
Mechanical Products		(324	)		218			(1,256	)		1,330
Electrical Products		376			(65	)		2,115			615
Corporate		65			(79	)		(191	)		(414	)
	$	1,012		$	2,420		$	2,935		$	6,470
Net earnings (loss):
Thermal Products	$	587		$	5,024		$	1,510		$	6,942
Mechanical Products		(213	)		466			(837	)		1,869
Electrical Products		247			(138	)		1,409			865
Corporate		43			(170	)		(127	)		(582	)
	$	664		$	5,182		$	1,955		$	9,094

	Three Months Ended Sept. 30,				Nine Months Ended Sept. 30,
Net revenues from unaffiliated customers:	2012		2011		2012		2011
U.S.	$	4,123	$	4,797	$	12,052	$	13,820
Foreign		6,676		6,884		23,054		23,365
	$	10,799	$	11,681	$	35,106	$	37,185