Stockholders' Equity (Summary of Stock Option Activity under Share Based Compensation Plan) (Details) - Stock Options [Member]	12 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Shares
Outstanding-beg of year | shares	396,910
Options granted | shares	193,464
Options exercised | shares	(36,550)
Forfeited | shares	(1,527)
Expired | shares	(11,853)
Outstanding Sept 30, 2015 | shares	540,444
Exercisable Sept 30, 2015 | shares	148,586
Weighted Average Exercise Price
Outstanding-beg of year | $ / shares	$ 3.87
Options granted | $ / shares	7.82
Options exercised | $ / shares	2.05
Forfeited | $ / shares	9.17
Expired | $ / shares	9.33
Outstanding Sept 30, 2015 | $ / shares	5.27
Exercisable Sept 30, 2015 | $ / shares	$ 5.89
Weighted Average Remaining Contractual Life (Yrs.)
Outstanding Sept 30, 2015	7 years 4 months 24 days
Exercisable Sept 30, 2015	4 years 3 months 18 days
Aggregate Intrinsic Value
Outstanding Sept 30, 2015 | $	$ 1,216,000
Exercisable Sept 30, 2015 | $	$ 443,000