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Long-term obligations (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Long-term obligations    
Pension obligations - accrued pension liability $ 7,341 $ 7,128
Microsoft licenses 718 911
Total long-term obligations 8,059 8,039
Less: Current portion of long-term obligations 1,160 1,261
Totals 6,899 $ 6,778
Microsoft licenses, Amount payable annually over the term of the agreement $ 400