Note 7 - Inventory (Tables)

12 Months Ended

Feb. 01, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	February 1, 2014		February 2, 2013
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