Related Party Transactions	9 Months Ended
Related Party Transactions	Jun. 30, 2011
Related Party Transactions [Abstract]
Related Party Transactions [Text Block]	Related Party Transactions The Company sells semiconductor products to Chrontel International Ltd. (Chrontel). Jimmy S.M. Lee, the Company’s Executive Chairman, has been a director of Chrontel since July 1995. Sales to Chrontel were $199,000 and $743,000 during the three months and nine months ended June 30, 2011, respectively. During the three months and nine months ended June 30, 2010, sales to Chrontel were $143,000 and $375,000, respectively. Accounts receivable from Chrontel was approximately $150,000 and $78,000 at June 30, 2011 and September 30, 2010, respectively. The Company purchases ASSP products from Giantec (See Note 15). At June 30, 2011, the Company had approximately a 44% ownership interest in Giantec. The Company’s Executive Chairman, Jimmy S.M. Lee, is a director of Giantec. The Company also provides logistic services to Giantec for which it is reimbursed and receives certain licensing fees from Giantec. Through December 30, 2010, the Company consolidated the results of Giantec. During the three months and six months ended June 30, 2011, the Company purchased approximately $174,000 and $513,000, respectively, of products from Giantec. At June 30, 2011, the Company had a payable to Giantec of approximately $347,000. During the three months and six months ended June 30, 2011, the Company provided Giantec services of approximately $17,000 and $41,000, respectively, and received licensing fees from Giantec of approximately $27,000 and $49,000, respectively. At June 30, 2011, the Company had a receivable from Giantec of approximately $82,000.

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 3A
-Section 04
-Paragraph b

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 57
-Paragraph 1-4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

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