Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator:
Net income (loss)	$ (3,531,973)	$ 497,030	$ (3,302,322)	$ 2,289,842
Denominator:
Basic weighted average shares	16,910,475	16,951,360	16,930,522	16,918,423
Dilutive effect of share-based awards (in shares)		226,212		223,109
Diluted weighted average shares	16,910,475	17,177,572	16,930,522	17,141,532
Earnings per common share:
Basic EPS (in dollars per share)	$ (0.21)	$ 0.03	$ (0.20)	$ 0.14
Diluted EPS (in dollars per share)	$ (0.21)	$ 0.03	$ (0.20)	$ 0.13
Options to purchase common stock outstanding (in shares)	667,168	715,002	667,168	715,002
Weighted dilutive shares outstanding excluded from the computation of diluted earnings per share	400,641	57,500	402,063	66,533