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Acquisitions and Disposals - Schedule of Pro Forma Financial Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Business Combinations [Abstract]    
Net loss $ (15,203) $ (15,601)
Basic and diluted loss per share $ (5.65) $ (4.08)