Note 15 - Related Parties (Details) (USD $)	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2013	Aug. 27, 2014	Aug. 27, 2014	Aug. 28, 2013	Aug. 29, 2012
Note 15 - Related Parties (Details) [Line Items]
Number of Related Party Entities		2	2
Percent Of Space Rented		7.00%	7.00%
Operating Leases, Rent Expense (in Dollars)			$ 388,000	$ 426,000	$ 332,000
Lease Annual Rent Payments Per Square Foot (in Dollars per Item)	20.00	22.00	14.64
Optional Lease Term			5 years
Lessee Leasing Arrangements, Operating Leases, Term of Contract			12 years
Option To Extend Lease Years			2
Percent of Total Rents from Continuing Operations			2.30%	2.70%	2.60%
Amended and Restated Master Sales Agreement [Member]
Note 15 - Related Parties (Details) [Line Items]
Related Party Transaction, Amounts of Transaction (in Dollars)			$ 4,000	$ 0	$ 139,000
New Lease Agreement [Member]
Note 15 - Related Parties (Details) [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest			50.00%