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Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Details Textual) - USD ($)
$ in Millions
Oct. 01, 2016
Jan. 02, 2016
Transit Accounts Receivable [Member]    
Accounts Receivable, Gross, Current $ 3.5 $ 7.5
Transit Accounts Payable [Member]    
Accounts Payable, Current 5.9 9.0
Liabitilities, Net $ 2.4 $ 1.5