Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 39	$ 26
Series A Preferred stock, par value	$ 0.05	$ 0.05
Series A Preferred stock, shares authorized	450,000	450,000
Series A Preferred stock, shares issued
Series A Preferred stock, shares outstanding
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares authorized	45,000,000	45,000,000
Common stock, shares issued	13,584,989	13,891,402
Common stock, shares outstanding	13,584,989	13,891,402