Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.20.4
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
 3 Months Ended 12 Months Ended
Jun. 30, 2020
item
Dec. 31, 2019
USD ($)
item
Sep. 30, 2019
USD ($)
Dec. 31, 2020
USD ($)
item
Dec. 31, 2019
USD ($)
Basis Of Presentation [Line Items]          
Deferred revenues   $ 5,985,000   $ 6,770,000 $ 5,985,000
Advertising costs included in selling, general and administrative expenses       2,200,000 4,200,000
Project development cost       250,000  
Customer Loyalty Programs          
Basis Of Presentation [Line Items]          
Liabilities Based On Standalone Retail Value Included In Other Accrued Expenses   1,400,000     1,400,000
Players Club Points [Member]          
Basis Of Presentation [Line Items]          
Liabilities Based On Standalone Retail Value Included In Other Accrued Expenses   $ 1,400,000   $ 800,000 $ 1,400,000
Sports Wagering Agreements          
Basis Of Presentation [Line Items]          
Deferred revenues     $ 6,000,000    
Revenue recognition term     10 years    
Sports Wagering Agreements | INDIANA          
Basis Of Presentation [Line Items]          
Number of contracted mobile sports operators in operations | item   1      
Number of contracted mobile sports operators expected to begin | item       2  
Sports Wagering Agreements | COLORADO          
Basis Of Presentation [Line Items]          
Number of contracted mobile sports operators in operations | item 1        
Number of contracted mobile sports operators | item       3  
Collaborative Arrangement, Cash Received       $ 1,000,000