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Accrued Expenses and Other Current Liabilities
 6 Months Ended
Jun. 30, 2022
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities

11. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

 

 

 

June 30,

 

 

December 31,

 

 

 

2022

 

 

2021

 

Personnel costs

 

$

22,101

 

 

$

26,865

 

Royalties

 

 

3,696

 

 

 

3,458

 

Accrued but unpaid lease obligations and interest

 

 

3,476

 

 

 

3,963

 

Accrued settlement fee

 

 

3,300

 

 

 

-

 

Other

 

 

3,817

 

 

 

2,303

 

 

 

$

36,390

 

 

$

36,589

 

The accrued but unpaid lease obligations and the interest accrual on these obligations are related to the buildings in Canton, Massachusetts. See Note “17. Leases”. See Note "4. Product and Geographic Sales" for accrued settlement fee.