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ACCRUED LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Schedule of composition of accrued liabilities | The composition of accrued liabilities is as follows (dollar amounts in thousands):
As of December 31, |  | 2018 |  | 2017
Salaries and employee benefits |  | $ | 15,927 |  |  | $ | 10,289 |
Sales, use and property tax (See Note 14) |  | 3,594 |  |  | 3,367 |
Convention and meeting costs |  | 6,540 |  |  | 4,970 |
Other |  | 8,740 |  |  | 6,354 |
Total |  | $ | 34,801 |  |  | $ | 24,980 |

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