Investment Securities - Summary of Amortized Cost and Estimated Fair Value of Debt Securities (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Schedule of Investments [Abstract]
Available for Sale Amounts maturing in One year or less, Amortized Cost	$ 4,003,638	$ 2,147,059
Available for Sale Amounts maturing in After one through five years, Amortized Cost	35,076,017	29,691,474
Available for Sale Amounts maturing in After five through ten years, Amortized Cost	18,933,752	21,585,776
Available for Sale Amounts maturing in After ten years, Amortized Cost	14,426,675	5,545,276
Total debt securities AFS, Amortized Cost	72,440,082	58,969,585
Available for Sale Amounts maturing in One year or less, Estimated Fair Value	4,001,488	2,124,645
Available for Sale Amounts maturing in After one through five years, Estimated Fair Value	35,858,294	29,674,236
Available for Sale Amounts maturing in After five through ten years, Estimated Fair Value	19,302,368	20,968,318
Available for Sale Amounts maturing in After ten years, Estimated Fair Value	14,550,484	5,546,378
Total debt securities AFS, Estimated Fair Value	73,712,634	58,313,577
Held to Maturity Amounts maturing in One year or less, Amortized Cost	4,687,048	6,483,464
Held to Maturity Amounts maturing in After one through five years, Amortized Cost	12,284,059	12,885,021
Held to Maturity Amounts maturing in After five through ten years, Amortized Cost	10,638,493	11,035,146
Held to Maturity Amounts maturing in After ten years, Amortized Cost	4,936,472	6,423,442
Total securities HTM, Amortized Cost	32,546,072	36,827,073
Held to Maturity Amounts maturing in One year or less, Estimated Fair Value	4,698,641	6,497,910
Held to Maturity Amounts maturing in After one through five years, Estimated Fair Value	12,493,184	12,961,209
Held to Maturity Amounts maturing in After five through ten years, Estimated Fair Value	10,894,566	11,097,382
Held to Maturity Amounts maturing in After ten years, Estimated Fair Value	5,123,588	6,453,826
Total securities HTM, Estimated Fair Value	$ 33,209,979	$ 37,010,327