XML 64 R38.htm IDEA: XBRL DOCUMENT v3.8.0.1
Acquisitions and Divestitures - Pro Forma Revenue Statement (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Business Combinations [Abstract]    
Pro forma total revenues $ 107,853 $ 91,532
Pro forma net loss attributable to common stockholders $ (48,888) $ (46,093)
Pro forma net loss per common share, basic and diluted $ (1.99) $ (4.27)