Accounts Payable (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accounts Payable [Line Items]
Accounts Payable, Current	$ 726	$ 486
Preclinical Expenses [Member]
Accounts Payable [Line Items]
Accounts Payable, Current	100
Manufacturing Costs [Member]
Accounts Payable [Line Items]
Accounts Payable, Current	300	300
Legal and Patent [Member]
Accounts Payable [Line Items]
Accounts Payable, Current	100	$ 200
Clinical Research Organizations [Member]
Accounts Payable [Line Items]
Accounts Payable, Current	$ 200