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Cash, Cash Equivalents, and Financial Instruments
12 Months Ended
Dec. 31, 2022
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents, and Financial Instruments

Note 3 - Cash, Cash Equivalents, and Financial Instruments

 

The following table shows the Company’s cash, cash equivalents, and marketable investment securities by significant investment category as of December 31, 2022:

 

 

   December 31, 2022 
   Adjusted Cost   Allowance for Credit Losses   Total Unrealized Gains / (Losses)   Fair Value   Cash and Cash Equivalents   Marketable Securities 
Cash  $12,834,444   $      -   $-   $12,834,444   $12,834,444   $- 
Level 1:                              
Money market funds   146,359    -    -    146,359    146,359    - 
Subtotal   146,359    -    -    146,359    146,359    - 
Level 2:                              
U.S. treasury securities   67,892,825    -    389,241    68,282,066    9,993,000    58,289,066 
Subtotal   67,892,825    -    389,241    68,282,066    9,993,000    58,289,066 
Total  $80,873,628   $-   $389,241   $81,262,869   $22,973,803   $58,289,066 

 

Marketable investment securities held as of December 31, 2022 mature over the next 12 months.