Note 3 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

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

Schedule of Intangible Assets [Table Text Block]

	March 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	793	$	687
Patented technology		590		317		273
Software		270		148		122
Trade name		140		77		63
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,453		1,145
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,453	$	1,655

	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)	$	262
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		(93	)
Balance - March 31, 2014	$	1,655