Investments, HTM (Schedule of Held-to-maturity Securities) (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Fair Value
Less than 12 Months	$ 113,631,301	$ 130,591,167
12 Months or More	13,895,073	9,334,438
Total	127,526,374	139,925,605
Unrealized Losses
Less than 12 Months	2,671,485	3,947,948
12 Months or More	2,518,304	2,306,013
Total	5,189,789	6,253,961
US Treasury Bonds
Fair Value
Less than 12 Months	34,114,375	33,829,651
12 Months or More	0	0
Total	34,114,375	33,829,651
Unrealized Losses
Less than 12 Months	486,165	682,198
12 Months or More	0	0
Total	486,165	682,198
FHLB Bond
Fair Value
Less than 12 Months	995,148	998,640
12 Months or More	0	0
Total	995,148	998,640
Unrealized Losses
Less than 12 Months	4,852	1,360
12 Months or More	0	0
Total	4,852	1,360
Student Loan Pools
Fair Value
Less than 12 Months	4,790,881	6,520,050
12 Months or More	0	0
Total	4,790,881	6,520,050
Unrealized Losses
Less than 12 Months	67,488	59,090
12 Months or More	0	0
Total	67,488	59,090
Taxable Municipal Bonds
Fair Value
Less than 12 Months	911,600	891,730
12 Months or More	0	0
Total	911,600	891,730
Unrealized Losses
Less than 12 Months	42,860	60,134
12 Months or More	0	0
Total	42,860	60,134
MBS
Fair Value
Less than 12 Months	72,819,297	88,351,096
12 Months or More	13,895,073	9,334,438
Total	86,714,370	97,685,534
Unrealized Losses
Less than 12 Months	2,070,120	3,145,166
12 Months or More	2,518,304	2,306,013
Total	$ 4,588,424	$ 5,451,179