CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME [Abstract]
Net loss	$ (9,313)	$ (11,258)
Other comprehensive income:
Net change in unrealized loss on auction rate securities	0	8
Total other comprehensive income	0	8
Comprehensive loss	$ (9,313)	$ (11,250)