Annual report pursuant to Section 13 and 15(d)

Summary of Significant Policies - Schedule of Change in Fair Value of Warrant (Details) (Parenthetical)

v3.8.0.1
Summary of Significant Policies - Schedule of Change in Fair Value of Warrant (Details) (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2017
Jan. 02, 2017
Dec. 31, 2016
Accumulated deficit $ (38,304) $ (775) $ (19,050)
ASU 2017-11 [Member]      
Accumulated deficit $ (775) $ 775