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Accrued Liabilities
 3 Months Ended
Mar. 31, 2023
Payables and Accruals [Abstract]  
Accrued Liabilities Accrued Liabilities
Accrued liabilities consisted of the following for the periods presented (in thousands):
March 31, 2023December 31, 2022
Payroll-related accruals$10,048 $8,747 
Sales and telecom taxes2,824 2,811 
Employee stock purchase plan liability250 570 
Third-party commissions477 456 
Other1,199 1,052 
Total$14,798 $13,636