Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Summary of Significant Accounting Policies - Schedule of Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Fair Value of Marketable debt Securities $ 840 $ 926
Level 1 [Member]    
Fair Value of Marketable debt Securities  
Level 2 [Member]    
Fair Value of Marketable debt Securities   926
Level 3 [Member]    
Fair Value of Marketable debt Securities  
U.S. Government Obligations [Member]    
Fair Value of Marketable debt Securities 840 125
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 840 125
U.S. Government Obligations [Member] | Level 3 [Member]    
Fair Value of Marketable debt Securities
Corporate Obligations [Member]    
Fair Value of Marketable debt Securities   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   801
Corporate Obligations [Member] | Level 3 [Member]    
Fair Value of Marketable debt Securities