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Other accrued expenses
9 Months Ended
Sep. 30, 2022
Other accrued expenses  
Other accrued expenses

10. Other accrued expenses

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Other accrued expenses consist of the following (in thousands):

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​

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​

​

​

​

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September 30, 2022

    

​

December 31, 2021

Royalties

$

734

​

$

1,250

Professional and outside services

 

1,219

​

 

2,126

Tax liabilities

​

787

​

​

430

Other

 

3,211

​

 

2,680

Total accrued expenses

$

5,951

​

$

6,486

​