Quarterly report pursuant to Section 13 or 15(d)

Summary of Marketable Securities (Details)

v3.22.1
Summary of Marketable Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost $ 25,171 $ 28,737
Unrealized Gain 2
Fair Value 24,542 28,592
Unrealized (Loss) (629) (147)
US Treasury Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 988 19,395
Unrealized Gain 2
Fair Value 975 19,277
Unrealized (Loss) (13) (120)
US Government Agencies Debt Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 18,378  
Unrealized Gain  
Fair Value 17,859  
Unrealized (Loss) (519)  
Corporate Debt Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 5,555 9,092
Unrealized Gain
Fair Value 5,458 9,065
Unrealized (Loss) (97) (27)
US States and Political Subdivisions Debt Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 250 250
Unrealized Gain
Fair Value 250 250
Unrealized (Loss)