XML 36 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
Accrued and Other Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Payables And Accruals [Abstract]    
Accrued research and development $ 1,846 $ 2,138
Accrued legal and professional fees 253 194
Other current liabilities 182 430
Total $ 2,281 $ 2,762