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Subsequent Event (Details) - Subsequent Event
$ in Thousands
Jul. 21, 2020
USD ($)
Restricted stock units  
Subsequent Event [Line Items]  
Award vesting period (in years) 1 year
Board of Directors Chairman  
Subsequent Event [Line Items]  
Accrued Salaries $ 560
Contractual agreement, term of service 3 years
Board of Directors Chairman | Restricted stock units  
Subsequent Event [Line Items]  
RSU grant period value $ 1,500