Quarterly report pursuant to Section 13 or 15(d)

Supplemental Balance Sheet Information, Accrued Expenses (Details)

v3.21.2
Supplemental Balance Sheet Information, Accrued Expenses (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Accrued Expenses [Abstract]    
R&D services and supplies $ 695 $ 1,440
Payroll 320 320
Professional services 172 186
Other 16 25
Total $ 1,203 $ 1,971