The following table is a summary of the reconciliation of weighted average shares outstanding for the three months ended June 30: (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income	$ 1,668,684	$ 1,810,075	$ 1,501,023	$ 1,521,131	$ 3,478,759	$ 3,022,204
Weighted average shares outstanding	5,528,835		5,529,632		5,525,291	5,529,944
Effect of dilutive shares	157,191		184,489		164,733	178,774
Weighted average shares outstanding - diluted	5,686,026		5,714,121		5,690,024	5,708,718
Earnings per share - basic	$ 0.30		$ 0.27		$ 0.63	$ 0.55
Earnings per share - diluted	$ 0.29		$ 0.26		$ 0.61	$ 0.53