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1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Cash and cash equivalents $ 861,650 $ 1,134,697 $ 2,288,426
Depreciation and amortization 146,799 112,219  
Allowance for doubtful accounts $ 251,383 $ 248,450  
Antidilutive shares 2,578,200 2,065,200  
Stock-based compensation costs $ 733,930 $ 502,345  
Goodwill or patent impairment $ 0 $ 0  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Largest Customer [Member]      
Concentration risk percentage 16.00% 14.00%