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SCHEDULE OF DISAGGREGATION OF REVENUE (Details) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 74,180 $ 91,864
Short-term Time Charter Contracts [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 15,466 $ 10,152