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Note 7 - Inventory (Details) - Inventories (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014	Feb. 02, 2013
Inventories [Abstract]
Wafers and other purchased materials	$ 10,079	$ 12,553
Work-in-process	1,527	1,071
Finished goods	8,797	11,305
Total inventory	$ 20,403	$ 24,929

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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