INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, net	$ 664	$ 752
Purchased technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	1,441	1,441
Less: accumulated amortization	(777)	(689)
Finite-lived intangible assets, net	664	752
Purchased technology [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	9 years
Purchased technology [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	17 years
License rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	316	316
Less: accumulated amortization	(316)	(290)
Finite-lived intangible assets, net	0	26
Useful life	5 years
Brand Name and Trademark [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 1,510	$ 1,510