Note 10 - Business Combinations (Tables)

12 Months Ended

Feb. 01, 2014

Business Combinations [Abstract]

Business Combination, Segment Allocation [Table Text Block]

	Purchase price (in thousands)			Estimated useful Life (in years)
Purchased tangible assets and liabilities
Accounts receivable	$	13,410
Inventory		13,643
Prepaid inventory		2,895
Prepaid third party support		2,466
Deposit with contract manufacturer		3,543
Property and equipment		2,553			1.5
Mask sets		1,438			3
Net liabilities		(1,489	)
Purchased identifiable intangible assets:
Developed technology		1,168			3
Gain on acquisition		(1,417	)
Cash consideration	$	38,210
Other consideration		-
Total consideration issued in the acquisition	$	38,210

Business Acquisition, Pro Forma Information [Table Text Block]

	Fiscal Years Ended
	February 1, 2014			February 2, 2013			January 28, 2012
Net revenue	$	199,193		$	239,557		$	356,778
Net loss		(11,049	)		(120,313	)		(221,297	)
Basic and diluted net loss per share	$	(0.32	)	$	(3.62	)	$	(6.91	)

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Amount		Estimated Useful Lives (years)
Purchase consideration:
Cash	$	5,000
Tangible assets acquired and liabilities assumed	$	752
Identifiable intangible assets:
Developed technology
Technology		1,250		5
Technology leveraged		1,680		8
Customer relationships		750		5
In-process research and development		370		—
Goodwill		198		—
Total consideration	$	5,000