Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Company's available-for-sale (AFS) securities and other comprehensive income (OCI) (Details)

v3.23.2
Fair Value Measurement - Company's available-for-sale (AFS) securities and other comprehensive income (OCI) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
OCI from AFS securities - debt securities:        
Unrealized (losses) on AFS securities at beginning of period $ (469,853) $ (233,208) $ (561,490) $ (476,016)
Unrealized gain (losses) on securities available-for-sale - debt securities 93,775 (192,764) 185,412 50,044
Change in OCI from AFS securities 93,775 (192,764) 185,412 50,044
Balance at end of period $ (376,078) $ (425,972) $ (376,078) $ (425,972)