Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details)

v3.19.3
Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Payables And Accruals [Abstract]    
Accrued research and development expenses $ 677 $ 587
Accrued employee bonus compensation 1,065 1,197
Employee withholdings 11 21
Other accrued expenses 483 298
Total accrued expenses $ 2,236 $ 2,103