Use of Estimates and Concentrations of Credit Risks	12 Months Ended
Sep. 30, 2011
Use Of Estimates and Concentrations Of Credit Risks [Abstract]
Use of Estimates and Concentrations of Credit Risks	11. Use of Estimates and Concentrations of Credit Risks The Company’s financial statements are prepared in accordance with accounting principles generally accepted in the United States of America, which require the use of management estimates. These estimates are impacted, in part, by the following risks and uncertainties: Financial instruments, which potentially subject the Company to concentration of credit risk, consist principally of cash and cash equivalents and trade receivables. The Company places its cash and cash equivalents with high quality financial institutions, and, by policy, limits the amounts of credit exposure to any one financial institution as much as practicable. A large portion of the Company’s accounts receivable have historically been derived from one major class of customer (foreign distributors) with the remainder being spread across many other customers in various electronic industries. The Company believes any risk of accounting loss is significantly reduced due to the diversity of its products, end-customers, and geographic sales areas. The Company performs credit evaluations of its customers’ financial condition whenever necessary. The Company generally does not require cash collateral or other security to support customer receivables. The Company currently is dependent on one primary supplier as its wafer-processing source. If this supply was to be interrupted or the terms were to become unfavorable to the Company, this could have a material adverse impact on the Company’s operations. The Company produces inventory based on orders received and forecasted demand. The Company must order wafers and build inventory well in advance of product shipments. Due to the Company's reliance upon a limited number of suppliers, high levels of inventory are also maintained to protect against a disruption in supply. Because the Company’s markets are volatile and subject to rapid technology and price changes, there is a risk that the Company will forecast incorrectly and produce excess or insufficient inventories of particular products. This inventory risk is heightened because many of the Company’s customers place orders with short lead times. Demand will differ from forecasts and such differences may have a material effect on actual operations.

Use of Estimates and Concentrations of Credit Risks

12 Months Ended

Sep. 30, 2011

Use Of Estimates and Concentrations Of Credit Risks [Abstract]

Use of Estimates and Concentrations of Credit Risks

11. Use of Estimates and Concentrations of Credit Risks

The Company’s financial statements are prepared in accordance with accounting principles generally accepted in the United States of America, which require the use of management estimates. These estimates are impacted, in part, by the following risks and uncertainties:

Financial instruments, which potentially subject the Company to concentration of credit risk, consist principally of cash and cash equivalents and trade receivables. The Company places its cash and cash equivalents with high quality financial institutions, and, by policy, limits the amounts of credit exposure to any one financial institution as much as practicable.

A large portion of the Company’s accounts receivable have historically been derived from one major class of customer (foreign distributors) with the remainder being spread across many other customers in various electronic industries. The Company believes any risk of accounting loss is significantly reduced due to the diversity of its products, end-customers, and geographic sales areas. The Company performs credit evaluations of its customers’ financial condition whenever necessary. The Company generally does not require cash collateral or other security to support customer receivables.

The Company currently is dependent on one primary supplier as its wafer-processing source. If this supply was to be interrupted or the terms were to become unfavorable to the Company, this could have a material adverse impact on the Company’s operations.

The Company produces inventory based on orders received and forecasted demand. The Company must order wafers and build inventory well in advance of product shipments. Due to the Company's reliance upon a limited number of suppliers, high levels of inventory are also maintained to protect against a disruption in supply. Because the Company’s markets are volatile and subject to rapid technology and price changes, there is a risk that the Company will forecast incorrectly and produce excess or insufficient inventories of particular products. This inventory risk is heightened because many of the Company’s customers place orders with short lead times. Demand will differ from forecasts and such differences may have a material effect on actual operations.