Note 3 - Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

Schedule Of Intangible Assets [Table Text Block]

	September 30, 2015
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	1,119	$	361
Patented technology		590		376		214
Software		270		189		81
Trade name		140		130		10
Total finite-lived intangible assets		2,480		1,814		666
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	2,990	$	1,814	$	1,176

	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, Future Amortization Expense [Table Text Block]

2015 (remainder)	$	72
2016	$	229
2017	$	212
2018	$	65
2019	$	39