Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Numerator [Abstract]
Net income (loss)	$ 324	$ (116)
Denominator [Abstract]
Denominator for basic net income (loss) per share - weighted-average outstanding shares (shares)	11,201	9,568
Effect of dilutive securities:
Stock options and restricted stock (shares)	1,489	0
Denominator for diluted net income (loss) per share - weighted-average outstanding shares (shares)	12,690	9,568
Net income (loss) per share - basic (dollars per share)	$ 0.03	$ (0.01)
Net income (loss) per share - diluted (in dollars per share)	$ 0.03	$ (0.01)