Note 12 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2013

Note 12 - Segment Information (Tables) [Line Items]

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

Identifiable assets:	June 30, 2013		Dec. 31, 2012
Thermal Products	$	22,800	$	20,849
Mechanical Products		7,237		7,737
Electrical Products		4,141		3,813
	$	34,178	$	32,399

Property and equipment:	June 30, 2013		Dec. 31, 2012
U.S.	$	841	$	899
Foreign		296		351
	$	1,137	$	1,250

Six Months [Member]

Note 12 - Segment Information (Tables) [Line Items]

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

	Three Months Ended June 30,						Six Months Ended June 30,
Net revenues from unaffiliated customers:	2013			2012			2013			2012
Thermal Products	$	5,772		$	6,503		$	11,670		$	12,614
Mechanical Products		3,812			3,086			5,608			5,600
Electrical Products		1,648			3,987			2,930			6,103
Intersegment sales		(14	)		-			(17	)		(10	)
	$	11,218		$	13,576		$	20,191		$	24,307
Intersegment sales:
Thermal Products	$	-		$	-		$	-		$	-
Mechanical Products		14			-			17			10
Electrical Products		-			-			-			-
	$	14		$	-		$	17		$	10
Earnings (loss) before income tax expense (benefit):
Thermal Products	$	1,078		$	1,055		$	2,236		$	1,372
Mechanical Products		290			(380	)		(396	)		(932	)
Electrical Products		207			1,374			199			1,739
Corporate		(88	)		(55	)		(182	)		(256	)
	$	1,487		$	1,994		$	1,857		$	1,923
Net earnings (loss):
Thermal Products	$	727		$	706		$	1,641		$	896
Mechanical Products		196			(254	)		(346	)		(585	)
Electrical Products		140			919			134			1,138
Corporate		(59	)		(37	)		(133	)		(158	)
	$	1,003		$	1,334		$	1,295		$	1,291

	Three Months Ended June 30,				Six Months Ended June 30,
Net revenues from unaffiliated customers:	2013		2012		2013		2012
U.S.	$	3,504	$	3,733	$	6,718	$	7,929
Foreign		7,714		9,843		13,473		16,378
	$	11,218	$	13,576	$	20,191	$	24,307