Unaudited Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
ASSETS
Allowances for accounts receivable	$ 1,278	$ 1,651
LIABILITIES AND STOCKHOLDERS’ EQUITY
Discounts on total debt	$ 4,590	$ 5,160
Preferred stock, par value (in US$ per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in US$ per share)	$ 0.001	$ 0.001
Common stock, shares authorized	63,000,000	63,000,000
Common stock, shares issued	26,768,714	25,245,945
Common stock, shares outstanding	26,768,714	25,245,945