Note 3 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule Of Intangible Assets [Table Text Block]

	December 31, 2015
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	1,166	$	314
Patented technology		590		386		204
Software		270		196		74
Trade name		140		138		2
Total finite-lived intangible assets		2,480		1,886		594
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	2,990	$	1,886	$	1,104

	December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	979	$	501
Patented technology		590		346		244
Software		270		169		101
Trade name		140		103		37
Total finite-lived intangible assets		2,480		1,597		883
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	2,990	$	1,597	$	1,393

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Estimated Useful Life		Remaining Estimated Useful Life at Dec. 31, 2015
	- - - - (in months) - - - -
Finite-lived intangible assets resulting from the acquisition of Sigma:
Customer relationships		72		-
Software		120		33
Patented technology		60		-
Finite-lived intangible assets resulting from the acquisition of Thermonics:
Customer relationships		72		24.5
Trade name		48		.5
Patented technology		132		84.5

Schedule of Carrying Value of Finite-lived Intangible Assets [Table Text Block]

Balance - January 1, 2015	$	883
Amortization		(289	)
Balance - December 31, 2015	$	594

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2016	$	229
2017		212
2018		65
2019		39
2020		30