Equity (Schedule of Earnings per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Numerator:
Income (loss) from continuing operations	$ 1,766	$ (134)
(Loss) income from discontinued operations	(9)	1,121
Net income	$ 1,757	$ 987
Denominator:
Denominator for basic net income (loss) per share - weighted average shares outstanding (in shares)	26,279	25,697
Dilutive options outstanding, unvested stock units and ESPP (in shares)	760	0
Denominator for diluted net income (loss) per share - adjusted weighted average shares outstanding (in shares)	27,039	25,697
Net (loss) income per basic share:
Net income (loss) per basic share, continuing operations, (in usd per share)	$ 0.07	$ 0.00
Net (loss) income per basic share, discontinued operations (in usd per share)	0.00	0.04
Net income per basic share (in usd per share)	0.07	0.04
Earnings Per Share, Diluted [Abstract]
Net income (loss) per diluted share, continuing operations (in usd per share)	0.07	0.00
Net income per diluted share, discontinued operations (in usd per share)	0.00	0.04
Net income per diluted share (in usd per share)	$ 0.07	$ 0.04
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation (in shares)	529	858
Average market price of common stock (in dollars per share)	$ 6.88	$ 6.93