Note 4 - Balance Sheet Details (Details) - Other Current Liabilities (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Mar. 30, 2014
Other Current Liabilities [Abstract]
Accrued acquisition costs	$ 3,514
Short-term lease financing obligations	2,348	2,671
Accrued manufacturing expenses, royalties and licenses	2,094	1,639
Accrued restructuring charges and exit costs	1,971	2,214
Accrued legal and professional services	1,576	1,453
Accrued income tax	1,420	74
Purchase consideration holdback	1,006	1,256
Accrued sales and marketing expenses	564	666
Fair value of earn out liability – short-term		490
Other	1,764	907
Total other current liabilities	$ 16,257	$ 11,370