Related Party Transactions	12 Months Ended
Related Party Transactions	Sep. 30, 2011
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	Related Party Transactions As of September 30, 2011, CBC Co., Ltd. and affiliates (“CBC”) owned approximately 12.1% of the Company’s outstanding common stock. The Company, which has been conducting business with CBC since 1979, imports certain finished products and components through CBC and also sells its products to CBC. The Company purchased approximately $911,000, $138,000 and $227,000 of products and components from CBC in fiscal years 2011, 2010, and 2009, respectively, and the Company sold $9,000, $69,000 and $30,000 of products to CBC for distribution in fiscal years 2011, 2010, and 2009, respectively. At September 30, 2011 and 2010, the Company owed $531,000 and $22,000, respectively, to CBC. At September 30, 2011, CBC owed $3,000 to the Company resulting from purchases and sales of products.

The entire disclosure for related party transactions, including the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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