Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Components of Marketable Securities (Details)

v3.20.2
Summary of Significant Accounting Policies - Summary of Components of Marketable Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Amortized Cost $ 1,407 $ 928
Unrealized Losses (4) (2)
Fair Value 1,403 926
U.S. Government Obligations [Member]    
Amortized Cost 778 125
Unrealized Losses (3)
Fair Value 775 125
Corporate Obligations [Member]    
Amortized Cost 629 803
Unrealized Losses (1) (2)
Fair Value $ 628 $ 801