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ACCRUED EXPENSES
 3 Months Ended
Mar. 31, 2024
Payables and Accruals [Abstract]  
Schedule Of Accrued expenses ACCRUED EXPENSES:

Accrued expenses consist of the following (in thousands):

 

 

 

March 31, 2024

 

 

December 31, 2023

 

PPG Industries, Inc. agreement

 

$

14,620

 

 

$

11,962

 

Compensation

 

 

14,174

 

 

 

29,456

 

Royalties

 

 

2,225

 

 

 

647

 

Consulting

 

 

2,116

 

 

 

2,121

 

Professional fees

 

 

1,258

 

 

 

1,124

 

Research and development agreements

 

 

687

 

 

 

822

 

Other

 

 

7,019

 

 

 

5,948

 

Accrued expenses

 

$

42,099

 

 

$

52,080