Annual report pursuant to Section 13 and 15(d)

Schedule of Reconciliation of Cash and Restricted Cash (Details)

v3.23.1
Schedule of Reconciliation of Cash and Restricted Cash (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]      
Cash $ 37,144,000 $ 58,705,000  
Restricted cash 75,000 50,000  
Total cash and restricted cash shown in the statements of cash flows $ 37,219,000 $ 58,755,000 $ 33,060,000