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Note 9 - Accounts Payable and Accrued Expenses (Tables)
3 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

September 30,

  

June 30,

 
  

2022

  

2022

 

Accounts payable

 $1,313,768  $2,001,978 

Taxes payable

  243,920   196,473 

Accrued payroll, vacation and bonus payable

  469,711   331,644 

Accrued operating expenses

  542,447   275,695 

Total

 $2,569,846  $2,805,790