Shareholders' Equity (Details) - USD ($)	1 Months Ended	3 Months Ended		28 Months Ended
	Sep. 30, 2018	Mar. 31, 2019	Mar. 31, 2018	Sep. 30, 2018
Stock Repurchase Program [Abstract]
Stock repurchase program authorized amount	$ 16,000,000			$ 16,000,000
Additional amount approved	$ 1,500,000
Stock repurchased during period (in shares)		6,955
Amount paid to repurchase shares during the year		$ 212,387	$ 600,240
Amount of common stock repurchased				$ 14,076,115
Number of common stock acquired (in shares)		1,147,061
Number of shares issued (in shares)		7,632
Cost of shares issued		$ 229,800