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Note 12 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance (USD $)
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Note 12 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]      
Promotional Allowances $ 3,184,000us-gaap_PromotionalAllowances $ 1,136,000us-gaap_PromotionalAllowances $ 0us-gaap_PromotionalAllowances
Food and Beverage [Member]      
Note 12 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]      
Promotional Allowances 498,000us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_FoodAndBeverageMember
131,000us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_FoodAndBeverageMember
 
Rooms [Member]      
Note 12 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]      
Promotional Allowances 2,529,000us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_RoomsMember
1,005,000us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_RoomsMember
 
Other [Member]      
Note 12 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]      
Promotional Allowances $ 157,000us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_Other1Member