Note 13 - Rent Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 03, 2016	Jun. 28, 2015
Rent expense	$ 100	$ 181

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration