Quarterly report pursuant to Section 13 or 15(d)

Summary of Marketable Securities (Details)

v3.22.2
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 $ 28,858 $ 28,737
Unrealized Gain 2
Unrealized (Loss) (754) (147)
Fair Value 28,104 28,592
US Government Agencies Debt Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 16,360 19,395
Unrealized Gain 2
Unrealized (Loss) (617) (120)
Fair Value 15,743 19,277
Corporate Debt Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 5,516 9,092
Unrealized Gain
Unrealized (Loss) (112) (27)
Fair Value $ 5,404 9,065
US States and Political Subdivisions Debt Securities [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost   250
Unrealized Gain  
Unrealized (Loss)  
Fair Value   $ 250