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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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