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Accrued Expenses (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Accrued Expenses      
Warranty $ 1,871 $ 2,005 $ 2,027
Travel 984 1,121  
Legal and consulting 643 730  
In-transit inventory 470 3,228  
Clinical studies 372 276  
Sales and use tax 137 147  
Other 689 1,733  
Total $ 5,166 $ 9,240