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Note 6 - Acquisition Related Intangible Assets, Net (Tables)
12 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
  

2024

  

2023

 

Customer relationships

 $5,537,161  $5,537,161 

Less accumulated amortization

  (5,405,761)  (5,274,361)
  $131,400  $262,800