XML 64 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivative Warrant Liabilities - Schedule of Outstanding Warrants Liabilities (Details) (Parenthetical) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Nov. 28, 2016
Jun. 30, 2018
Dec. 31, 2017
Dec. 31, 2016
Estimated fair value of warrant liability   $ 14 $ 28 $ 313
Reverse stock split one-to-nine Reverse Stock Split      
September 4, 2018 [Member]        
Reverse stock split   1:15 reverse Stock Split 1:15 reverse Stock Split 1:15 reverse Stock Split