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Note 9 - Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

June 30,

  

June 30,

 
  

2023

  

2022

 

Accounts payable

 $1,325,539  $2,001,978 

Taxes payable

  97,453   196,473 

Accrued payroll, vacation and bonus payable

  454,786   331,644 

Accrued operating expenses

  834,153   275,695 

Total

 $2,711,931  $2,805,790