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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
PREPAID EXPENSES AND OTHER CURRENT ASSETS    
Vessel stores $ 297 $ 501
Capitalized contract costs 1,983 1,669
Prepaid items 3,109 2,998
Insurance receivable 2,349 1,917
Advance to agents 827 1,466
Other 1,370 2,305
Total prepaid expenses and other current assets $ 9,935 $ 10,856