XML 41 R32.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value of Financial Assets and Liabilities (Details 3) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Beginning balance      
Change in fair value of Hoth $ 345 345
Ending balance 1,020   1,020  
Significant unobservable inputs (Level 3) [Member]        
Fair value of Hoth upon issuance     675  
Change in fair value of Hoth     345  
Ending balance $ 1,020   $ 1,020