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Marketable Securities and Fair Value Measurements (Tables)
9 Months Ended
Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]  
Company's Marketable Securities Measured at Fair Value
The following table sets forth, by level, within the fair value hierarchy, the Company’s marketable securities measured at fair value as of June 30, 2023:
 
     Fair Value Measurements  
     Level 1      Level 2      Level 3      Total  
Exchange-Traded Funds
   $ 3,345,000      $ —        $ —        $ 3,345,000  
Corporate Bonds
     —          34,635,000        —          34,635,000  
Government Securities
     50,331,000        —          —          50,331,000  
Cash and Money Funds
     102,000        —          —          102,000  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total
   $ 53,778,000      $ 34,635,000      $ —        $ 88,413,000  
    
 
 
    
 
 
    
 
 
    
 
 
 
The following table sets forth by level, within the fair value hierarchy, the Company’s assets measured at fair value as of September 30, 2022:
 
     Fair Value Measurements  
     Level 1      Level 2      Level 3      Total  
Equities
   $ 12,149,000      $ —        $ —        $ 12,149,000  
Mutual Funds
     5,337,000        —          —          5,337,000  
Exchange-Traded Funds
     4,794,000        —          —          4,794,000  
Corporate Bonds
     —          37,339,000        —          37,339,000  
Government Securities
     29,327,000        —          —          29,327,000  
Cash and Money Funds
     354,000        —          —          354,000  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total
   $ 51,961,000      $ 37,339,000      $ —        $ 89,300,000