Quarterly report pursuant to Section 13 or 15(d)

Schedule of Fair Value of Financial Instruments (Details)

v3.23.1
Schedule of Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities $ 5,946 $ 8,328
U.S. government obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 1,451 1,478
Corporate obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 4,495 6,850
Marketable equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities   0
Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 4,395 5,496
Level 1 | U.S. government obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 0 0
Level 1 | Corporate obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 4,395 5,496
Level 1 | Marketable equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities   0
Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 1,551 2,832
Level 2 | U.S. government obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 1,451 1,478
Level 2 | Corporate obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 100 1,354
Level 2 | Marketable equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities   0
Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 0 0
Level 3 | U.S. government obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities 0 0
Level 3 | Corporate obligations    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities $ 0 0
Level 3 | Marketable equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Marketable securities   $ 0