Note 4 - Balance Sheet Details (Details) - Other Current Liabilities (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Mar. 30, 2014
Other Current Liabilities [Abstract]
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