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ACCRUED EXPENSES (Tables)
9 Months Ended
Sep. 30, 2025
Payables and Accruals [Abstract]  
Accrued Expenses

Accrued expenses consist of the following (in thousands):

 

 

 

September 30, 2025

 

 

December 31, 2024

 

Compensation

 

$

23,961

 

 

$

28,744

 

PPG Industries, Inc. agreement

 

 

10,144

 

 

 

7,759

 

Consulting

 

 

1,336

 

 

 

1,718

 

Professional fees

 

 

1,139

 

 

 

1,292

 

Research and development agreements

 

 

747

 

 

 

852

 

Royalties

 

 

401

 

 

 

1,048

 

Other

 

 

5,106

 

 

 

4,613

 

Accrued expenses

 

$

42,834

 

 

$

46,026