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ACCOUNTS RECEIVABLE (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Accounts receivable |  |  |
Accounts receivable, gross | $ 3,847 | $ 5,558 |
Less allowance for doubtful accounts | (111) | (100) |
Accounts receivable, net | 3,736 | 5,458 |
Bad debt expense | 159 | 189 | $ 93
Casino |  |  |
Accounts receivable |  |  |
Accounts receivable, gross | 2,701 | 3,599 |
Hotel |  |  |
Accounts receivable |  |  |
Accounts receivable, gross | 510 | 1,445 |
Other |  |  |
Accounts receivable |  |  |
Accounts receivable, gross | $ 636 | $ 514 |

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