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Note 9 - Goodwill and Intangible Assets (Tables)
9 Months Ended
Mar. 31, 2026
Notes Tables  
Intangible Asset, Finite-Lived [Table Text Block]
  

Useful Lives

  

March 31,

  

June 30,

 
  

(Years)

  

2026

  

2025

 

Customer relationships

  10 - 15  $10,422,300  $8,852,300 

Know-how

  8 - 10   9,928,304   8,998,304 

Tradenames

  8 - 15   8,096,418   7,706,418 

Backlog

  1   914,525   824,525 

Total intangible assets

      29,361,547   26,381,547 

Less accumulated amortization

      (11,771,919)  (10,393,624)

Total intangible assets, net

     $17,589,628  $15,987,923 
Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block]

Fiscal year ending:

    

June 30, 2026 (remaining three months)

 $455,026 

June 30, 2027

  1,780,543 

June 30, 2028

  1,730,103 

June 30, 2029

  1,730,103 

June 30, 2030

  1,730,103 

After June 30, 2030

  10,163,750 
  $17,589,628