GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Roll Forward]
Goodwill, gross beginning of period	$ 31,104,000	$ 31,205,000
Accumulated impairment charges beginning of period	26,941,000	(26,941,000)
Goodwill, net beginning of period	4,163,000	4,264,000
Goodwill allocation related to acquisition	9,724,000	0	2,349,000
Foreign currency translation	331,000	(101,000)
Goodwill, gross end of period	41,159,000	31,104,000	31,205,000
Accumulated impairment charge end of period	(26,941,000)	(26,941,000)	26,941,000
Goodwill, net end of period	14,218,000	4,163,000	4,264,000
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	22,519,000	12,245,000
Accumulated amortization	1,556,000	1,368,000
Net carrying amount	20,963,000	10,877,000
Amortization expense	700,000	400,000	600,000
Estimated amortization expense for intangible assets [Abstract]
2013	1,095,000
2014	994,000
2015	834,000
2016	834,000
2017	831,000
Cinch Acquisition [Member]
Components of intangible assets other than goodwill [Abstract]
Intangible assets acquired	10,400,000
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	20 years
Patents, Licenses and Technology [Member]
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	7,822,000	2,719,000
Accumulated amortization	851,000	1,029,000
Net carrying amount	6,971,000	1,690,000
Write-off of fully amortized intangible assets	500,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	16 years
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	5,827,000	2,541,000
Accumulated amortization	554,000	301,000
Net carrying amount	5,273,000	2,240,000
Write-off of fully amortized intangible assets		1,800,000
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	2 years
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	573,000	40,000
Accumulated amortization	151,000	38,000
Net carrying amount	422,000	2,000
Trademarks [Member]
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	8,297,000	6,945,000
Accumulated amortization	0	0
Net carrying amount	8,297,000	6,945,000
Patents [Member]
Components of intangible assets other than goodwill [Abstract]
Write-off of fully amortized intangible assets			300,000
Asia [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	12,875,000	12,875,000
Accumulated impairment charges beginning of period	12,875,000	(12,875,000)
Goodwill, net beginning of period	0	0
Goodwill allocation related to acquisition	0
Foreign currency translation	0	0
Goodwill, gross end of period	12,875,000	12,875,000
Accumulated impairment charge end of period	(12,875,000)	(12,875,000)
Goodwill, net end of period	0	0
North America [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	15,293,000	15,293,000
Accumulated impairment charges beginning of period	14,066,000	(14,066,000)
Goodwill, net beginning of period	1,227,000	1,227,000
Goodwill allocation related to acquisition	0
Foreign currency translation	0	0
Goodwill, gross end of period	15,293,000	15,293,000
Accumulated impairment charge end of period	(14,066,000)	(14,066,000)
Goodwill, net end of period	1,227,000	1,227,000
Europe [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	2,936,000	3,037,000
Accumulated impairment charges beginning of period	0	0
Goodwill, net beginning of period	2,936,000	3,037,000
Goodwill allocation related to acquisition	9,724,000
Foreign currency translation	331,000	(101,000)
Goodwill, gross end of period	12,991,000	2,936,000
Accumulated impairment charge end of period	0	0
Goodwill, net end of period	$ 12,991,000	$ 2,936,000