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Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Accrued Expenses [Abstract]    
Payroll and related $ 2,138 $ 4,519
Variable rent, including disputed rent amounts 1,770 1,796
Legal, professional and other services 1,081 1,103
VAT, sales and other taxes 689 1,488
Income taxes   547
Insurance 118 100
Other 1,846 1,645
Totals $ 7,642 $ 11,198