Earnings Per Share (Details) - USD ($)	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Numerator:
Net income (loss)	$ 139,421	$ (881,619)
Denominator:
Basic weighted average shares	16,840,599	16,783,129
Diluted weighted average shares	16,840,599	16,783,129
Earnings per common share:
Basic EPS (in dollars per share)	$ 0.01	$ (0.05)
Diluted EPS (in dollars per share)	$ 0.01	$ (0.05)
Options to purchase common stock outstanding (in shares)	550,834	586,834
Diluted weighted-average shares outstanding excluded from computation of diluted EPS (in shares)	550,834	586,834