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Acquisitions (Details Textual)
3 Months Ended
Apr. 22, 2016
USD ($)
Device
Jan. 29, 2016
USD ($)
Device
payment
$ / shares
shares
Mar. 31, 2017
USD ($)
payment
Mar. 31, 2016
USD ($)
Initial Montana Acquisition [Member]        
Business Acquisition [Line Items]        
Number of gaming devices acquired | Device   1,100    
Business Acquisition, consideration transaction price   $ 20,100,000 $ 20,100,000  
Business Acquisition, Value of Shares Issued   $ 500,000    
Business Acquisition, Value of Shares | shares   50,252    
Shares Issued, Price Per Share | $ / shares   $ 9.95    
Business Combination, Contingent Consideration Maximum   $ 2,000,000    
Business Combination, Contingent Consideration Arrangements, Number of Periodic Payment | payment   4 4  
Business Combination Contingent Consideration Arrangements Quarterly Payments, Start date     2017-09  
Second Montana Acquisition [Member]        
Business Acquisition [Line Items]        
Number of gaming devices acquired | Device 1,800      
Business Acquisition, consideration transaction price $ 25,700,000      
Montana Acquisitions [Member]        
Business Acquisition [Line Items]        
Business Combination, Net Revenue related to the Acquiree     $ 15,200,000 $ 4,000,000
Montana Acquisitions [Member] | Preopening Expenses [Member]        
Business Acquisition [Line Items]        
Transaction-Related Costs     $ 100,000 $ 200,000