Employee and Director Benefits - Components of net periodic benefit cost (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Components of net periodic benefit cost:
Service cost	$ 10,114	$ 11,965
Interest Cost	22,557	12,687
Loss recognized	3,622	860
Prior service cost	25,280	25,280
Defined Benefit Plan, Net Periodic Benefit Cost, Total	$ 61,573	$ 50,792