Unaudited Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Sep. 30, 2014
ASSETS
Allowances for accounts receivable	$ 1,305	$ 1,245
LIABILITIES AND STOCKHOLDERS’ EQUITY
Discounts on total debt	$ 4,019	$ 4,399
Preferred stock, par value (in US$ per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Common stock, par value (in US$ per share)	$ 0.001	$ 0.001
Common stock, shares authorized	63,000,000us-gaap_CommonStockSharesAuthorized	63,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	27,434,097us-gaap_CommonStockSharesIssued	27,173,421us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	27,434,097us-gaap_CommonStockSharesOutstanding	27,173,421us-gaap_CommonStockSharesOutstanding

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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