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Cash and Cash Equivalents (Details Narrative) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 6,632 $ 7,048
Retention Accounts    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 6,632 $ 7,048