Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Revenues: Market Access Fees from Sports Wagering Agreements (Details)

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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Revenues: Market Access Fees from Sports Wagering Agreements (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
May 15, 2022
USD ($)
item
May 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
item
Dec. 31, 2020
USD ($)
item
Dec. 31, 2021
USD ($)
Apr. 30, 2021
USD ($)
Nov. 30, 2019
USD ($)
Basis Of Presentation [Line Items]              
Deferred revenues     $ 4,982   $ 6,536    
Liabilities in other accrued expenses     $ 800   $ 800    
Sports Wagering Agreements              
Basis Of Presentation [Line Items]              
Deferred revenues             $ 6,000
Remaining Term     8 years        
Term of agreement     10 years        
Market access fees $ 1,600            
Number of contracted mobile sports operators in operations | item       2      
Number of contracted mobile sports operators intended to cease operations | item 1            
Sports Wagering Agreements | Subsequent Event              
Basis Of Presentation [Line Items]              
Term of agreement   8 years          
Market access fees   $ 5,000          
Additional revenue receivable   $ 5,000          
Sports Wagering Agreements | COLORADO              
Basis Of Presentation [Line Items]              
Deferred revenues     $ 1,300 $ 1,000   $ 1,000  
Number of contracted mobile sports operators in operations | item     3        
Number of available contracted mobile sports operators | item 1            
Sports Wagering Agreements | INDIANA              
Basis Of Presentation [Line Items]              
Number of contracted mobile sports operators in operations | item     2        
Sports Wagering Agreements | ILLINOIS              
Basis Of Presentation [Line Items]              
Additional market fee     $ 5,000