GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Goodwill, gross beginning of period	$ 40,500,000	$ 31,104,000
Accumulated impairment charges beginning of period	(26,941,000)	(26,941,000)
Goodwill, net beginning of period	13,559,000	4,163,000
Goodwill allocation related to acquisition	4,616,000	9,065,000	0
Foreign currency translation	185,000	331,000
Goodwill, gross end of period	45,301,000	40,500,000	31,104,000
Accumulated impairment charges end of period	(26,941,000)	(26,941,000)	(26,941,000)
Goodwill, net end of period	18,360,000	13,559,000	4,163,000
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	33,010,000	23,787,000
Accumulated amortization	3,538,000	1,596,000
Net carrying amount	29,472,000	22,191,000
Payments for intangible assets	1,336,000	0	0
Other long-term liabilities associated with licensing agreements	410,000	233,000
Intangible assets acquired	7,600,000	11,700,000
Amortization expense	1,900,000	800,000	400,000
Estimated amortization expense for intangible assets [Abstract]
2014	2,198,000
2015	1,668,000
2016	1,509,000
2017	1,509,000
2018	1,506,000
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	11,919,000	8,900,000
Accumulated amortization	1,864,000	873,000
Net carrying amount	10,055,000	8,027,000
Customer Relationships [Member]
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	11,923,000	5,977,000
Accumulated amortization	1,191,000	566,000
Net carrying amount	10,732,000	5,411,000
Non-compete Agreements [Member]
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	787,000	613,000
Accumulated amortization	483,000	157,000
Net carrying amount	304,000	456,000
Trademarks [Member]
Components of intangible assets other than goodwill [Abstract]
Gross carrying amount	8,381,000	8,297,000
Accumulated amortization	0	0
Net carrying amount	8,381,000	8,297,000
Licensing Agreements with Radiall SA [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	20 years
Components of intangible assets other than goodwill [Abstract]
Payments for intangible assets	1,300,000
Received from intangible assets	300,000
Intangible assets, noncurrent	1,300,000
Other long-term liabilities associated with licensing agreements	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	1,044,000	0
Foreign currency translation	58,000	0
Goodwill, gross end of period	13,977,000	12,875,000
Accumulated impairment charges end of period	(12,875,000)	(12,875,000)
Goodwill, net end of period	1,102,000	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	3,572,000	0
Foreign currency translation	0	0
Goodwill, gross end of period	18,865,000	15,293,000
Accumulated impairment charges end of period	(14,066,000)	(14,066,000)
Goodwill, net end of period	4,799,000	1,227,000
Europe [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	12,332,000	2,936,000
Accumulated impairment charges beginning of period	0	0
Goodwill, net beginning of period	12,332,000	2,936,000
Goodwill allocation related to acquisition	0	9,065,000
Foreign currency translation	127,000	331,000
Goodwill, gross end of period	12,459,000	12,332,000
Accumulated impairment charges end of period	0	0
Goodwill, net end of period	$ 12,459,000	$ 12,332,000