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Accrued Liabilities and Other (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Payables and Accruals [Abstract]    
Accrued vacation $ 789 $ 799
Accrued paid personal leave 401 419
Accrued bonus 1,132 1,700
Other 392 545
Total $ 2,714 $ 3,463