Note 3 - Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

					September 30, 2015							December 31, 2014
	Useful Lives (Years)				Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Intangibles (amount in thousands)
Patent		8	-	18	$	516	$	(194	)	$	322	$	512	$	(168	)	$	344
Software			3			379		(360	)		19		375		(319	)		56
Customer relationships			12			3,370		(1,587	)		1,783		3,370		(1,335	)		2,035
Permit			10			545		(359	)		186		545		(318	)		227
Total					$	4,810	$	(2,500	)	$	2,310	$	4,802	$	(2,140	)	$	2,662