XML 44 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accrued Expenses (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Accrued Expenses    
Accrued compensation $ 841 $ 632
Accrued contracted research costs 1,293 1,357
Accrued professional fees 142 298
Accrued other 291 145
Accrued severance 432  
Total $ 2,999 $ 2,432