Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of Fair Value of Financial Instruments (Details)

v3.20.2
Summary of Significant Accounting Policies - Schedule of Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Fair value of marketable debt securities $ 3,339 $ 926
Level 1 [Member]    
Fair value of marketable debt securities
Level 2 [Member]    
Fair value of marketable debt securities 3,339 926
Level 3 [Member]    
Fair value of marketable debt securities
U.S. Government Obligations [Member]    
Fair value of marketable debt securities 2,606 125
U.S. Government Obligations [Member] | Level 1 [Member]    
Fair value of marketable debt securities
U.S. Government Obligations [Member] | Level 2 [Member]    
Fair value of marketable debt securities 2,606 125
U.S. Government Obligations [Member] | Level 3 [Member]    
Fair value of marketable debt securities
Corporate Obligations [Member]    
Fair value of marketable debt securities 733 801
Corporate Obligations [Member] | Level 1 [Member]    
Fair value of marketable debt securities
Corporate Obligations [Member] | Level 2 [Member]    
Fair value of marketable debt securities 733 801
Corporate Obligations [Member] | Level 3 [Member]    
Fair value of marketable debt securities