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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
	Sep. 10, 2014 $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 28, 2014 USD ($) $ / shares shares	Dec. 29, 2013 USD ($)	Sep. 09, 2014 shares
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Finite-lived Gaming Licenses [Member]
Finite-Lived Intangible Asset, Useful Life		15 years
General and Administrative Expense [Member]
Advertising Expense | $		$ 3.4	$ 2.5	$ 2.0
Common Stock, Shares, Outstanding | shares	13,400	21,868	13,389		26,800
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.01	$ 0.01	$ 0.01
Common Stock, Shares Authorized | shares	100,000	100,000	100,000		200,000
Gaming Tax Expense | $		$ 24.2	$ 20.2	$ 10.7

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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