Note 13 - Segment Information (Tables)

6 Months Ended

18 Months Ended

Jun. 30, 2012

Jun. 30, 2012

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

Identifiable assets:	June 30, 2012		Dec. 31, 2011
Thermal Products	$	21,234	$	20,030
Mechanical Products		7,024		8,240
Electrical Products		5,509		2,967
	$	33,767	$	31,237

Long-lived assets:	June 30, 2012		Dec. 31, 2011
U.S.	$	1,031	$	836
Foreign		199		298
	$	1,230	$	1,134

	Three Months Ended June 30,						Six Months Ended June 30,
Net revenues from unaffiliated customers:	2012			2011			2012			2011
Thermal Products	$	6,503		$	6,667		$	12,614		$	12,021
Mechanical Products		3,086			5,097			5,600			10,127
Electrical Products		3,987			2,040			6,103			3,386
Intersegment sales		-			(4	)		(10	)		(30	)
	$	13,576		$	13,800		$	24,307		$	25,504
Intersegment sales:
Thermal Products	$	-		$	-		$	-		$	-
Mechanical Products		-			4			10			4
Electrical Products		-			-			-			26
	$	-		$	4		$	10		$	30
Earnings (loss) before income tax expense (benefit):
Thermal Products	$	1,055		$	1,830		$	1,372		$	2,593
Mechanical Products		(380	)		591			(932	)		1,112
Electrical Products		1,374			525			1,739			680
Corporate		(55	)		(213	)		(256	)		(335	)
	$	1,994		$	2,733		$	1,923		$	4,050
Net earnings (loss):
Thermal Products	$	725		$	1,789		$	960		$	2,534
Mechanical Products		(236	)		554			(581	)		1,027
Electrical Products		886			510			1,119			660
Corporate		(41	)		(198	)		(207	)		(309	)
	$	1,334		$	2,655		$	1,291		$	3,912

	Three Months Ended June 30,				Six Months Ended June 30,
Net revenues from unaffiliated customers:	2012		2011		2012		2011
U.S.	$	3,733	$	4,796	$	7,929	$	9,023
Foreign		9,843		9,004		16,378		16,481
	$	13,576	$	13,800	$	24,307	$	25,504