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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Current Liabilities and Other Long Term Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Other current liabilities |  |
Customer advances and unearned income | $ 2,499 | $ 2,200
Unearned event income | 2,292 | 1,152
Professional fee accrual | 1,851 | 3,781
Operating expense accruals | 2,208 | 2,512
Accrued unvested stock compensation | 85 | 336
Employment agreement award (as defined in Note 5) | 3,755 | 3,044
Deferred barter revenue | 1,638 | 1,688
Other | 3,883 | 5,673
Total other current liabilities | 18,211 | 20,386
Other long-term liabilities |  |
Employment agreement award (as defined in Note 5) | 7,308 | 7,382
Reserve for uncertain tax position | 1,829 | 1,829
Other | 1,606 | 3,577
Total long-term liabilities | $ 10,743 | $ 12,788

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