Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
ASSETS
Allowances for accounts receivable	$ 1,292	$ 1,245
LIABILITIES AND STOCKHOLDERS’ EQUITY
Discounts on total debt	$ 3,829	$ 4,399
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	27,449,806	27,173,421
Common stock, shares outstanding	27,449,806	27,173,421