Note 4 - Balance Sheet Details (Tables)

6 Months Ended

Sep. 28, 2014

Disclosure Text Block Supplement [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 28, 2014		March 30, 2014
Work-in-process and raw materials	$	18,403	$	13,555
Finished goods		12,820		15,427
Total inventories	$	31,223	$	28,982

Property, Plant and Equipment [Table Text Block]

	September 28, 2014			March 30, 2014
Land	$	6,660		$	6,660
Building		17,284			16,787
Machinery and equipment		41,064			40,675
Software and licenses		17,836			17,549
Property, plant and equipment, total		82,844			81,671
Accumulated depreciation and amortization		(65,632	)		(60,391	)
Total property, plant and equipment, net	$	17,212		$	21,280

Other Current Liabilities [Table Text Block]

	September 28, 2014		March 30, 2014
Accrued restructuring charges and exit costs		2,585		2,214
Accrued retention bonus		1,832		—
Accrued income tax		1,760		74
Short-term lease financing obligations		1,717		2,671
Accrued manufacturing expenses, royalties and licenses		1,587		1,639
Purchase consideration holdback		1,006		1,256
Accrued legal and professional services		827		1,453
Other		3,484		2,063
Total other current liabilities	$	14,798	$	11,370

Other Noncurrent Liabilities [Table Text Block]

	September 28, 2014		March 30, 2014
Long-term taxes payable	$	4,338	$	794
Deferred tax liability		1,057		614
Accrued restructuring charges and exit costs		62		155
Fair value of earn out liability – long-term		—		3,853
Accrued retention bonus		—		1,181
Other		19		29
Total other non-current obligations	$	5,476	$	6,626