Note 4 - Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

Note 4 - Goodwill and Intangible Assets (Tables) [Line Items]

	Sept. 30, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	653	$	827
Patented technology		590		297		293
Software		270		135		135
Trade name		140		60		80
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,263		1,335
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,263	$	1,845

	December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	439	$	1,041
Patented technology		590		233		357
Software		270		115		155
Trade name		140		33		107
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		24		24
Total finite-lived intangible assets		2,598		914		1,684
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	914	$	2,194

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

2013	$	446
2014	$	355
2015	$	289
2016	$	229
2017	$	212

Carrying Value Changes [Member]

Note 4 - Goodwill and Intangible Assets (Tables) [Line Items]

Balance - January 1, 2013	$	2,194
Amortization		(349	)
Balance - September 30, 2013	$	1,845