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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Number of Gaming Entertainment Properties |  | 28 |  |
Number of Reportable Segments |  | 4 |  |
Interest Costs Capitalized |  | $ 3.1 | $ 3.2 | $ 0.1
Debt Instrument, Face Amount |  | $ 16.4 |  |
Debt Security Interest Rate Stated Percentage |  | 7.50% |  |
Debt Securities, Available-for-Sale |  | $ 12.6 | 13.3 |
Debt Securities, Available-for-Sale, Current |  | 0.8 | 0.7 |
Debt Securities, Available-for-Sale, Noncurrent |  | 11.8 | 12.6 |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 35.9 | 3.1 |  |
Taxes, Other |  | 515.3 | 512.0 | 523.2
Taxes Deposited Pursuant to the Online Collaborative Agreements |  | 14.4 | 6.2 | 0.4
Advertising Expense |  | 26.9 | 22.4 | 18.7
Online [Member] |  |  |  |
Taxes Deposited Pursuant to the Online Collaborative Agreements |  | $ 450.5 | $ 328.0 | $ 207.9
Customer Relationships [Member] | Minimum [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 7 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 12 years |  |
Host Relationships [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 15 years |  |
Development Agreement [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 7 years |  |
Developed Technology Rights [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 10 years |  |
Marketing Agreement [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 20 years |  |

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