INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

INTANGIBLE ASSETS AND GOODWILL [Abstract]

Intangible assets

Intangible assets consist of the following (in thousands):

	USA Segment									Brazil Segment						Total
	Patents			Trademarks			Customer Lists			Trademarks			Customer Lists			Intangible Assets
December 31, 2012
Cost	$	1,697		$	48		$	2,677		$	3,418		$	1,250		$	9,090
Accumulated amortization		(1,029	)		(38	)		(2,222	)		(2,362	)		(864	)		(6,515	)
Net book value	$	668		$	10		$	455		$	1,056		$	386		$	2,575
December 31, 2011
Cost	$	1,768		$	48		$	2,677		$	3,751		$	1,372		$	9,616
Accumulated amortization		(957	)		(35	)		(1,888	)		(2,056	)		(752	)		(5,688	)
Net book value	$	811		$	13		$	789		$	1,695		$	620		$	3,928
Estimated useful lives		17 years			7 years			7 years			7 years			7 years