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Note 7 - Accrued Liabilities (Tables)
12 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

2025

  

2024

 

Accrued stock-based compensation

 $237,249  $172,170 

Accrued compensation and other liabilities

  690,335   730,089 

Accrued taxes

  511,248   231,935 

Accrued dividends

  403,007   420,581 
  $1,841,839  $1,554,775