Shareholders' Equity (Details) - USD ($)	1 Months Ended	6 Months Ended
	Sep. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Stock Repurchase Program [Abstract]
Stock repurchase program, additional amount authorized	$ 1,500,000
Stock repurchase program authorized amount		$ 20,000,000
Stock repurchased during period (in shares)		8,849
Amount paid to repurchase shares during the year		$ 238,971	$ 450,057
Amount of common stock repurchased		$ 18,325,220
Number of common stock acquired (in shares)		1,291,114
Number of shares issued (in shares)		6,294
Cost of shares issued		$ 170,538
Earnings Per Share Calculations [Abstract]
Dilutive instruments outstanding (in shares)		0	0