Note 4 - Balance Sheet Details (Tables)

9 Months Ended

Dec. 28, 2014

Disclosure Text Block Supplement [Abstract]

Schedule of Inventory, Current [Table Text Block]

	December 28, 2014		March 30, 2014
Work-in-process and raw materials	$	21,177	$	13,555
Finished goods		11,889		15,427
Total inventories	$	33,066	$	28,982

Property, Plant and Equipment [Table Text Block]

	December 28, 2014			March 30, 2014
Land	$	6,660		$	6,660
Building		17,462			16,787
Machinery and equipment		41,356			40,675
Software and licenses		22,323			17,549
Property, plant and equipment, total		87,801			81,671
Accumulated depreciation and amortization		(67,128	)		(60,391	)
Total property, plant and equipment, net	$	20,673		$	21,280

Other Current Liabilities [Table Text Block]

	December 28, 2014		March 30, 2014
Short-term lease financing obligations	$	2,837	$	2,671
Accrued retention bonus		2,725		—
Accrued income tax		1,556		74
Accrued restructuring charges and exit costs		1,390		2,214
Accrued manufacturing expenses, royalties and licenses		1,284		1,639
Purchase consideration holdback		1,006		1,256
Accrued legal and professional services		849		1,453
Other		2,740		2,063
Total other current liabilities	$	14,387	$	11,370

Other Noncurrent Liabilities [Table Text Block]

	December 28, 2014		March 30, 2014
Long-term taxes payable	$	4,313	$	794
Deferred tax liability		1,059		614
Accrued restructuring charges and exit costs		15		155
Fair value of earn out liability – long-term		—		3,853
Accrued retention bonus		—		1,181
Other		18		29
Total other non-current obligations	$	5,405	$	6,626