Investment Securities - Summary of Amortized Cost and Estimated Fair Value of Debt Securities (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Schedule of Investments [Abstract]
Available for Sale Amounts maturing in One year or less, Amortized Cost	$ 4,153,906	$ 2,147,059
Available for Sale Amounts maturing in After one through five years, Amortized Cost	30,550,250	29,691,474
Available for Sale Amounts maturing in After five through ten years, Amortized Cost	13,166,732	21,585,776
Available for Sale Amounts maturing in After ten years, Amortized Cost	22,009,142	5,545,276
Total debt securities AFS, Amortized Cost	69,880,030	58,969,585
Available for Sale Amounts maturing in One year or less, Estimated Fair Value	4,160,100	2,124,645
Available for Sale Amounts maturing in After one through five years, Estimated Fair Value	31,436,182	29,674,236
Available for Sale Amounts maturing in After five through ten years, Estimated Fair Value	13,650,251	20,968,318
Available for Sale Amounts maturing in After ten years, Estimated Fair Value	22,176,960	5,546,378
Total debt securities AFS, Estimated Fair Value	71,423,493	58,313,577
Held to Maturity Amounts maturing in One year or less, Amortized Cost	6,407,204	6,483,464
Held to Maturity Amounts maturing in After one through five years, Amortized Cost	10,186,745	12,885,021
Held to Maturity Amounts maturing in After five through ten years, Amortized Cost	9,794,246	11,035,146
Held to Maturity Amounts maturing in After ten years, Amortized Cost	4,778,576	6,423,442
Total securities HTM, Amortized Cost	31,166,771	36,827,073
Held to Maturity Amounts maturing in One year or less, Estimated Fair Value	6,415,966	6,497,910
Held to Maturity Amounts maturing in After one through five years, Estimated Fair Value	10,390,617	12,961,209
Held to Maturity Amounts maturing in After five through ten years, Estimated Fair Value	10,066,110	11,097,382
Held to Maturity Amounts maturing in After ten years, Estimated Fair Value	4,977,557	6,453,826
Total securities HTM, Estimated Fair Value	$ 31,850,250	$ 37,010,327