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Note C - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
  

Level 1

  

Level 2

  

Level 3

  

Total

 

Marketable Securities December 31, 2023

 $2,976,573          $2,976,573