Note 7. Composition of Certain Financial Statement Captions (Details) - Inventory (USD $) In Thousands, unless otherwise specified	Nov. 02, 2013	Feb. 02, 2013
Inventory [Abstract]
Wafers and other purchased materials	$ 9,908	$ 12,553
Work-in-process	2,408	1,071
Finished goods	6,860	11,305
Total inventory	$ 19,176	$ 24,929

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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-Name Regulation S-X (SX)

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-Name Accounting Standards Codification

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

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Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

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-Topic 330

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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