COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
COMPREHENSIVE LOSS
Amounts reclassified from other comprehensive income	$ 0	$ 0	$ 0
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	2,745
Other comprehensive income (loss) before reclassifications	(77)
Net current-period other comprehensive income	(77)
Balance at the end of the period	2,668	2,745
Unrealized Gain (Loss) on Marketable Securities, net of tax
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	156
Other comprehensive income (loss) before reclassifications	(74)
Net current-period other comprehensive income	(74)
Balance at the end of the period	82
Foreign Currency Items
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	2,589
Other comprehensive income (loss) before reclassifications	(3)
Net current-period other comprehensive income	(3)
Balance at the end of the period	$ 2,586