Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical)

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UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Statement of Comprehensive Income [Abstract]    
Other comprehensive income (loss), Unrealized Holding Gain (Loss) on Securities Arising Durring the Period, tax $ 0 $ 0
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax $ 0 $ 0