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Note 9 - Stockholders' Equity and Stock Incentive Plans - Share Based Payment Plan Compensation Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Share-based compensation expense | $ 3,559 | $ 5,367 | $ 21,426 | $ 20,316
Selling, General and Administrative Expenses [Member] |  |  |  |
Share-based compensation expense | 644 | 627 | 2,481 | 2,168
Corporate Expense [Member] |  |  |  |
Share-based compensation expense | 2,752 | 4,583 | 18,319 | 17,602
Casino [Member] | Cost of Sales [Member] |  |  |  |
Share-based compensation expense | 127 | 123 | 488 | 426
Food and Beverage [Member] | Cost of Sales [Member] |  |  |  |
Share-based compensation expense | 24 | 23 | 93 | 81
Occupancy [Member] | Cost of Sales [Member] |  |  |  |
Share-based compensation expense | $ 12 | $ 11 | $ 45 | $ 39

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