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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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PREPAID EXPENSES AND OTHER CURRENT ASSETS |  |
Vessel stores | $ 501 | $ 638
Capitalized contract costs | 1,669 | 1,952
Prepaid items | 2,998 | 2,870
Insurance receivable | 1,917 | 2,039
Advance to agents | 1,466 | 1,162
Other | 2,305 | 1,388
Total prepaid expenses and other current assets | $ 10,856 | $ 10,049

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