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Note 6 - Estimated Cost of Providing Promotional Allowances (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 29, 2015
Cost of Providing Promotional Allowances [Member]    
Food and beverage $ 3,014 $ 78
Rooms 191 169
Other 81 34
Total estimated cost of promotional allowances 3,286 281
Food and beverage 8,127 1,065
Rooms $ 260 $ 158