Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Fair Value of Assets (Details)

v3.23.1
Fair Value of Financial Instruments - Fair Value of Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Assets:    
Investments in debt securities $ 364 $ 330
Total assets 364 330
Level 1    
Assets:    
Investments in debt securities 353 319
Total assets 353 319
Level 2    
Assets:    
Investments in debt securities 0 0
Total assets 0 0
Level 3    
Assets:    
Investments in debt securities 11 11
Total assets $ 11 $ 11