Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Details) (USD $)	Sep. 27, 2014	Dec. 28, 2013
Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Details) [Line Items]
Liabilities,Net	$ 100,000
Transit Accounts Receivable [Member]
Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Details) [Line Items]
Accounts Receivable, Gross, Current	6,900,000	4,000,000
Transit Accounts Payable [Member]
Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Details) [Line Items]
Accounts Payable, Current	$ 7,000,000	$ 3,900,000