Note 4 - Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

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

	June 30, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	581	$	899
Patented technology		590		276		314
Software		270		128		142
Trade name		140		51		89
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		40		8
Total finite-lived intangible assets		2,598		1,146		1,452
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,146	$	1,962

	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		(232	)
Balance - June 30, 2013	$	1,962

Useful Life [Member]

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

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

	Estimated Useful Life		Remaining Estimated Useful Life at June 30, 2013
	- - - - (in months) - - - -
Finite-lived intangible assets resulting from the acquisition of Sigma:
Customer relationships		72		15
Software		120		63
Patented technology		60		3
Finite-lived intangible assets resulting from the acquisition of Thermonics:
Customer relationships		72		54.5
Customer backlog		3		-
Trade name		48		30.5
Patented technology		132		114.5
Non-compete/non-solicitation agreement		18		3