Note 6 - Composition of Certain Financial Statement Captions (Tables)

6 Months Ended

Aug. 02, 2014

Disclosure Text Block Supplement [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventory	August 2, 2014		February 1, 2014
Wafers and other purchased materials	$	9,783	$	10,079
Work-in-process		4,116		1,527
Finished goods		6,406		8,797
Total inventory	$	20,305	$	20,403

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

Prepaid expenses and other current assets	August 2, 2014		February 1, 2014
Prepayments for inventory	$	1,680	$	1,670
Note receivable		-		230
Amounts due from seller related to DTV acquisition		-		1,439
Other current assets		5,020		4,730
Total prepaid expenses and other current assets	$	6,700	$	8,069

Property, Plant and Equipment [Table Text Block]

Software, equipment and leasehold improvements	Estimated Useful Lives (years)			August 2, 2014			February 1, 2014
Software		2		$	38,613		$	38,563
Equipment	1	to	5		21,883			21,147
Office equipment and furniture		2			8,831			8,806
Leasehold improvements	1	to	6		3,150			3,149
Total					72,477			71,665
Less: Accumulated depreciation and amortization					(50,194	)		(44,576	)
Total software, equipment and leasehold improvements, net				$	22,283		$	27,089

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities:	August 2, 2014		February 1, 2014
Income taxes payable, current portion	$	3,988	$	7,968
Rebates		3,903		3,587
License fees		2,174		1,929
Warranties		640		620
Royalties		629		985
Deferred revenue		270		3,001
Settlements		-		150
Other accrued liabilities		2,056		1,573
Total accrued liabilities	$	13,660	$	19,813