Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentationtion (Details)

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Basis of Presentationtion (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Mar. 31, 2015
Mar. 31, 2014
Description of the Company and Basis of Presentation        
Loss from operations $ (5,820) $ (6,675)    
Cash and cash equivalents 22,415 $ 46,695 $ 32,221 $ 27,859
Cash and cash equivalents including restricted cash 27,400      
Cash and cash equivalents and restricted cash excluding outstanding credit facility $ 11,200   $ 19,300