CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Dec. 31, 2014	Sep. 30, 2014
Allowance for doubtful accounts (in dollars)	$ 304,000	$ 299,000
Common stock, par value (in dollars per share)	$ 0.0005	$ 0.0005
Common stock, shares authorized	40,000,000us-gaap_CommonStockSharesAuthorized	40,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	17,175,191us-gaap_CommonStockSharesIssued	17,140,182us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	16,365,031us-gaap_CommonStockSharesOutstanding	16,330,022us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	810,160us-gaap_TreasuryStockShares	810,160us-gaap_TreasuryStockShares

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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