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Note 12 - Promotional Allowances (Details) (USD $)
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Promotional Allowances [Abstract]      
Promotional Allowances $ 3,184,000us-gaap_PromotionalAllowances $ 1,136,000us-gaap_PromotionalAllowances $ 0us-gaap_PromotionalAllowances