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Cash Equivalents and Investments (Tables)
 9 Months Ended
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investments

Investments held are all classified as current and at September 30, 2024 and December 31, 2023 are summarized as follows (in thousands):

 

 

September 30, 2024

 

 

December 31, 2023

 

Corporate securities

 

$

50,602

 

 

$

57,878

 

U.S. Treasury securities

 

 

35,105

 

 

 

22,674

 

Municipal debt securities

 

 

21,508

 

 

 

14,649

 

Federal home loan securities

 

 

6,673

 

 

 

5,670

 

Certificates of deposit

 

 

2,733

 

 

 

3,614

 

 

 

$

116,621

 

 

$

104,485