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Marketable Securities (Tables)
 9 Months Ended
Sep. 30, 2024
Investments, All Other Investments [Abstract]  
Schedule of marketable securities
               
   Adjusted Cost   Unrealized Loss   Fair Value 
Corporate Bonds  $1,080   $(45)  $1,035 
U.S. Agency and Government Sponsored Securities   2,000    (87)   1,913 
U.S. States and Municipalities   1,186    (55)   1,131 
Total  $4,266   $(187)  $4,079 

 

The investments in marketable securities as of December 31, 2023 had an adjusted cost basis of $12.8 million and a market value of $12.0 million. The balances consisted of the following securities (in thousands):

 

   Adjusted Cost   Unrealized Loss   Fair Value 
Corporate Bonds  $6,333   $(425)  $5,908 
U.S. Treasury   646    (37)   609 
U.S. Agency and Government Sponsored Securities   2,000    (148)   1,852 
U.S. States and Municipalities   3,859    (278)   3,581 
Total  $12,838   $(888)  $11,950 
Schedule of contractual maturities of marketable investments
     
   Fair Value 
Due within 1 year  $– 
Due after 1 year through 5 years   4,079 
Total  $4,079