Note 16 - Commitments and Contingencies (Details) - Rent Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Rent Expense [Abstract]
Rent expense	$ 70	$ 74	$ 241	$ 258

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