Note 3 - Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Note 3 - Goodwill and Intangible Assets (Tables) [Line Items]

Schedule of Intangible Assets [Table Text Block]

	September 30, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	927	$	553
Patented technology		590		336		254
Software		270		162		108
Trade name		140		95		45
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,638		960
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,638	$	1,470

	December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	725	$	755
Patented technology		590		307		283
Software		270		142		128
Trade name		140		68		72
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,360		1,238
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,360	$	1,748

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

2014 (remainder)	$	77
2015	$	289
2016	$	229
2017	$	212
2018	$	65

Carrying Value Changes [Member]

Note 3 - Goodwill and Intangible Assets (Tables) [Line Items]

Schedule of Intangible Assets [Table Text Block]

Balance - January 1, 2014	$	1,748
Amortization		(278	)
Balance - September 30, 2014	$	1,470