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)

v3.23.1
Fair Value Measurement - Company's available-for-sale (AFS) securities and other comprehensive income (OCI) (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
OCI from AFS securities - debt securities:    
Unrealized (loss) on AFS-debts securities at beginning of period $ (561,490) $ (476,016)
Unrealized gain on securities available-for-sale - debt securities 91,637 242,808
Change in OCI from AFS securities - debt securities 91,637 242,808
Balance at end of period $ (469,853) $ (233,208)