Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Numerator:
Net (loss) income	$ (116)	$ 134
Denominator:
Denominator for basic net income per share - weighted-average outstanding shares	9,568	9,601
Effect of dilutive securities:
Stock options and restricted stock	514	447
Denominator for diluted net income per share - weighted-average outstanding shares	10,082	10,048
Net income (loss) per share - basic (dollars per share)	$ (0.01)	$ 0.01
Net income (loss) per share - diluted (dollars per share)	$ (0.01)	$ 0.01