Note 17 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

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

	Years Ended December 31,
Net revenues from unaffiliated customers:	2012			2011
Thermal Products	$	24,307		$	26,942
Mechanical Products		9,916			15,208
Electrical Products		9,165			5,151
Intersegment sales		(12	)		(35	)
	$	43,376		$	47,266
Intersegment sales:
Thermal Products	$	-		$	-
Mechanical Products		12			7
Electrical Products		-			28
	$	12		$	35

Depreciation/amortization:
Thermal Products	$	816		$	319
Mechanical Products		73			59
Electrical Products		44			16
	$	933		$	394
Operating income (loss):
Thermal Products	$	2,939		$	6,951
Mechanical Products		(1,944	)		736
Electrical Products		2,023			457
Corporate		(22	)		(566	)
	$	2,996		$	7,578
Earnings (loss) before income tax expense (benefit):
Thermal Products	$	2,958		$	6,965
Mechanical Products		(1,934	)		785
Electrical Products		2,051			475
Corporate		(22	)		(566	)
	$	3,053		$	7,659
Income tax expense (benefit):
Thermal Products	$	869		$	(1,823	)
Mechanical Products		(568	)		(170	)
Electrical Products		602			(142	)
Corporate		(6	)		(69	)
	$	897		$	(2,204	)
Net earnings (loss):
Thermal Products	$	2,089		$	8,788
Mechanical Products		(1,366	)		955
Electrical Products		1,449			617
Corporate		(16	)		(497	)
	$	2,156		$	9,863
Capital expenditures:
Thermal Products	$	216		$	431
Mechanical Products		37			264
Electrical Products		178			85
	$	431		$	780
Identifiable assets:
Thermal Products	$	20,849		$	20,030
Mechanical Products		7,737			8,240
Electrical Products		3,813			2,967
	$	32,399		$	31,237

	Years Ended December 31,
Net revenues from unaffiliated customers:	2012		2011
U.S.	$	15,915	$	19,165
Foreign		27,461		28,101
	$	43,376	$	47,266

	December 31,
Long-lived assets:	2012		2011
U.S.	$	899	$	836
Foreign		351		298
	$	1,250	$	1,134