Note 4 - Goodwill, Intangible and Long-lived Assets (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule Of Intangible Assets [Table Text Block]

	December 31, 2016
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	1,328	$	152
Patented technology		590		424		166
Software		270		223		47
Trade name		140		140		-
Total finite-lived intangible assets		2,480		2,115		365
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	2,990	$	2,115	$	875

	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

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

	Estimated Useful Life		Remaining Estimated Useful Life at Dec. 31, 2016
	- - - - (in months) - - - -
Finite-lived intangible assets resulting from the acquisition of Sigma:
Customer relationships		72		-
Software		120		21.0
Patented technology		60		-
Finite-lived intangible assets resulting from the acquisition of Thermonics:
Customer relationships		72		12.5
Trade name		48		-
Patented technology		132		72.5

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

2017	$	212
2018		65
2019		39
2020		30
2021		15