XML 28 R37.htm IDEA: XBRL DOCUMENT v3.20.1
Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Accrued Expenses    
Compensation and related benefits $ 1,434 $ 4,435
Lab equipment 555  
Professional fees 302 214
Contract research fees 389 563
Other 250 183
Total accrued expenses $ 2,930 $ 5,395