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Long-term obligations (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Pension obligations    
Pension obligations - accrued pension liability $ 6,015 $ 5,940
Settlement agreement 456 518
Capital lease obligations 0 209
Microsoft licenses 743 747
Bank loans payable 580 580
Long-term Debt 7,794 7,994
Less: Current portion of long-term obligations 2,134 1,712
Totals $ 5,660 $ 6,282