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Note 2 - Summary of Intangible Assets Acquired (Details)
$ in Millions
Jul. 31, 2015
USD ($)
Sartini Gaming Acquisition [Member] | Trade Names [Member]  
Finite-Lived Intangible Asset, Useful Life 10 years
Amount Assigned $ 12.2
Sartini Gaming Acquisition [Member] | Player Relationships [Member] | Minimum [Member]  
Finite-Lived Intangible Asset, Useful Life 8 years
Sartini Gaming Acquisition [Member] | Player Relationships [Member] | Maximum [Member]  
Finite-Lived Intangible Asset, Useful Life 14 years
Sartini Gaming Acquisition [Member] | Player Relationships [Member]  
Finite-Lived Intangible Asset, Useful Life
Amount Assigned $ 7.6
Sartini Gaming Acquisition [Member] | Customer Relationships [Member] | Minimum [Member]  
Finite-Lived Intangible Asset, Useful Life 13 years
Sartini Gaming Acquisition [Member] | Customer Relationships [Member] | Maximum [Member]  
Finite-Lived Intangible Asset, Useful Life 16 years
Sartini Gaming Acquisition [Member] | Customer Relationships [Member]  
Finite-Lived Intangible Asset, Useful Life
Amount Assigned $ 59.2
Sartini Gaming Acquisition [Member] | Other Intangible Assets [Member] | Minimum [Member]  
Finite-Lived Intangible Asset, Useful Life 2 years
Sartini Gaming Acquisition [Member] | Other Intangible Assets [Member] | Maximum [Member]  
Finite-Lived Intangible Asset, Useful Life 10 years
Sartini Gaming Acquisition [Member] | Other Intangible Assets [Member]  
Finite-Lived Intangible Asset, Useful Life
Amount Assigned $ 0.8
Sartini Gaming Acquisition [Member] | Gaming License, Indefinite-Lived [Member]  
Amount Assigned 0.9
Sartini Gaming Acquisition [Member]  
Amount Assigned $ 80.7