General form of registration statement for all companies including face-amount certificate companies

Accrued Expenses (Details)

v3.20.2
Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]      
Rent   $ 52 $ 0
License fee   50 0
Research & development   1,675 585
Professional fees   95 162
Consulting and advisory services   161 161
Board of directors service costs   101 94
Payroll and benefits   245 21
Accrued expenses $ 2,736 $ 2,379 $ 1,023