Note 3 - Goodwill, Intangible and Long-lived Assets (Tables)

12 Months Ended

Dec. 31, 2014

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

Schedule of Intangible Assets [Table Text Block]

	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
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,715		883
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,715	$	1,393

	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 [Table Text Block]

	Estimated Useful Life		Remaining Estimated Useful Life at Dec. 31, 2014
	- - - - (in months) - - - -
Finite-lived intangible assets resulting from the acquisition of Sigma:
Customer relationships		72		-
Software		120		45
Patented technology		60		-
Finite-lived intangible assets resulting from the acquisition of Thermonics:
Customer relationships		72		36.5
Customer backlog		3		-
Trade name		48		12.5
Patented technology		132		96.5
Non-compete/non-solicitation agreement		18		-

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

2015	$	289
2016	$	229
2017	$	212
2018	$	65
2019	$	39

Carrying Value Changes [Member]

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

Schedule of Intangible Assets [Table Text Block]

Balance - January 1, 2014	$	1,238
Amortization		(355	)
Balance - December 31, 2014	$	883