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Note 14 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Note 14 - Segment Information (Tables) [Line Items]

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

		Years Ended December 31,
Net revenues from unaffiliated customers:		2014				2013
Thermal Products		$	23,446			$	22,962
Mechanical Products			11,245				9,962
Electrical Products			7,105				6,502
		$	41,796			$	39,426
Depreciation/amortization:
Thermal Products		$	720			$	695
Mechanical Products			87				79
Electrical Products			72				73
		$	879			$	847
Operating income (loss):
Thermal Products		$	4,740			$	4,322
Mechanical Products			(18	)			(784	)
Electrical Products			781				722
Corporate			(587	)			(298	)
		$	4,916			$	3,962
Earnings (loss) before income tax expense (benefit):
Thermal Products		$	4,699			$	4,327
Mechanical Products			(5	)			(772	)
Electrical Products			802				751
Corporate			(587	)			(298	)
		$	4,909			$	4,008
Income tax expense (benefit):
Thermal Products		$	1,407			$	1,005
Mechanical Products			(2	)			(179	)
Electrical Products			240				174
Corporate			(175	)			(69	)
		$	1,470			$	931
Net earnings (loss):
Thermal Products		$	3,292			$	3,322
Mechanical Products			(3	)			(593	)
Electrical Products			562				577
Corporate			(412	)			(229	)
		$	3,439			$	3,077
Capital expenditures:
Thermal Products		$	595			$	349
Mechanical Products			96				16
Electrical Products			140				59
		$	831			$	424

Revenue from External Customers by Geographic Areas [Table Text Block]

		Years Ended December 31,
Net revenues from unaffiliated customers:		2014				2013
U.S.		$	14,363			$	13,337
Foreign			27,433				26,089

		$	41,796			$	39,426

Long-lived Assets by Geographic Areas [Table Text Block]

		December 31,
Property and equipment:		2014				2013
U.S.		$	621			$	700
Foreign			647				554

		$	1,268			$	1,254

Note 14 - Segment Information (Tables) [Line Items]

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

		December 31,
Identifiable assets:		2014				2013
Thermal Products		$	26,211			$	23,934
Mechanical Products			7,801				7,093
Electrical Products			4,726				4,454
		$	38,738			$	35,481

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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