INTANGIBLE ASSETS - Identified Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Intangibles, net	$ 250	$ 500
Amortization expense	250	300	300
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	250
Developed Technology Rights
Finite-Lived Intangible Assets [Line Items]
Developed technology	1,250	1,250
Accumulated amortization	(1,000)	(750)
Intangibles, net	$ 250	$ 500