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ACCOUNTS RECEIVABLE (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Accounts receivable      
Accounts receivable, gross $ 6,985 $ 7,188  
Less allowance for doubtful accounts (245) (263)  
Accounts receivable, net 6,740 6,925  
Bad debt expense 93 103 $ 74
Casino      
Accounts receivable      
Accounts receivable, gross 4,908 5,025  
Hotel      
Accounts receivable      
Accounts receivable, gross 1,773 1,719  
Other      
Accounts receivable      
Accounts receivable, gross $ 304 $ 444