Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
ASSETS
Allowances for accounts receivable	$ 2,235	$ 3,872
LIABILITIES AND STOCKHOLDERS’ EQUITY
Discounts on total debt	$ 3,082	$ 23,243
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	180,000,000
Common stock, shares issued	24,601,830	75,588,396
Common stock, shares outstanding	15,117,679	75,588,396