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Cash and cash equivalents and Restricted cash (Details Narrative) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Cash And Cash Equivalents Fair Value Disclosure $ 45,213 $ 19,037
Restricted cash and cash equivalents 5,224 2,066
Restricted Cash And Cash Equivalents Fair Value Disclosure 5,224 2,066
Non-current restricted cash and cash equivalents 3,576 1,250
Current restricted cash and cash equivalents $ 1,648 816
Firment Shipping Inc. [member]    
Undrawn borrowing facilities   $ 14,200