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ACCRUED EXPENSES
 12 Months Ended
Dec. 31, 2024
Payables and Accruals [Abstract]  
ACCRUED EXPENSES
10.
ACCRUED EXPENSES:

Accrued expenses consist of the following (in thousands):

 

 

 

December 31,

 

 

 

2024

 

 

2023

 

Compensation

 

$

28,744

 

 

$

29,456

 

PPG Industries, Inc. agreement

 

 

7,759

 

 

 

11,962

 

Consulting

 

 

1,718

 

 

 

2,121

 

Professional fees

 

 

1,292

 

 

 

1,124

 

Royalties

 

 

1,048

 

 

 

647

 

Research and development agreements

 

 

852

 

 

 

822

 

Other

 

 

4,613

 

 

 

5,948

 

Accrued expenses

 

$

46,026

 

 

$

52,080