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Note 7 - Accrued Liabilities (Tables)
12 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

2024

  

2023

 

Accrued stock-based compensation

 $172,170  $387,044 

Accrued compensation and other liabilities

  730,089   682,901 

Accrued taxes

  231,935   131,178 

Accrued dividends

  420,581   418,877 
  $1,554,775  $1,620,000