Note 5. Balance Sheet Details (Tables)

12 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Table Text Block]

	March 31, 2013			April 1, 2012
Land	$	6,660		$	6,660
Building		16,224			16,237
Machinery and equipment		42,258			40,875
Software and licenses		17,566			46,061
Property, plant and equipment, total		82,708			109,833
Accumulated depreciation and amortization		(58,608	)		(82,040	)
Total property, plant and equipment, net	$	24,100		$	27,793

Schedule of Inventory, Current [Table Text Block]

	March 31, 2013		April 1, 2012
Work-in-progress and raw materials	$	9,981	$	7,590
Finished goods		9,449		10,784
Total inventories	$	19,430	$	18,374

Schedule of Accrued Liabilities [Table Text Block]

	March 31, 2013		April 1, 2012
Short-term lease financing obligations	$	3,189	$	3,216
Accrual for dispute resolution		2,727		1,500
Earn out liability – short–term		2,599		—
Accrued manufacturing expenses, royalties and licenses		2,370		696
Accrued restructuring charges and exit costs		2,020		5,699
Accrued legal and professional services		746		825
Accrued sales and marketing expenses		576		937
Other		988		742
Total other current liabilities	$	15,215	$	13,615

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Noncurrent [Text Block]

	March 31, 2013		April 1, 2012
Earn out liability – long–term	$	7,539	$	—
Long-term taxes payable		2,225		3,604
Accrued restructuring charges and exit costs		1,266		2,342
Other		174		269
Total other non-current obligations	$	11,204	$	6,215