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STOCKHOLDERS’ EQUITY (Tables)
 12 Months Ended
Jun. 30, 2022
Equity [Abstract]  
Schedule of stock-based compensation expense
          
   2022   2021 
Cost of Goods Sold  $115,021   $113,659 
Research and Development Expenses   218,847    171,447 
Selling, General and Administrative Expenses   561,626    448,824 
Stock Based Compensation Expense  $895,494   $733,930 
Schedule of fair value of option assumptions
     
   Year Ended 
   June 30, 2022 
Assumptions:     
Option life   5.3 years 
Risk-free interest rate   3.0% 
Weighted average stock volatility   100% 
Dividend yield   0 
Weighted average fair value of grants  $2.11 
Schedule of stock option activity
               
   Options Outstanding 
   Number of
Shares		   Weighted
Average
Exercise Price		   Weighted
Average
Contractual
Life		 
             
Outstanding at July 1, 2020   2,065,200   $0.95    6.59 years 
Grants   630,000   $1.65      
Exercised   (112,000)  $0.57      
Cancellations   (5,000)  $1.30      
Outstanding at June 30, 2021   2,578,200   $1.13    6.73 years 
Grants   614,500   $1.74      
Exercised   (295,700)  $1.05      
Cancellations   (183,000)  $1.60      
Outstanding at June 30, 2022   2,714,000   $1.33    7.08 years 
Schedule of stock options outstanding by exercise price range
                           
Range of
Exercise Prices		   Number of
Shares		   Weighted-
Average
Remaining
Contractual Life
(years)		   Weighted-
Average
Exercise Price		   Exercisable
Number of
Shares		   Exercisable
Weighted-
Average
Exercise Price		 
$0.48    60,000    3.75   $0.48    60,000   $0.48 
$0.50    80,000    3.98   $0.50    80,000   $0.50 
$0.55    15,000    5.76   $0.55    15,000   $0.55 
$0.70    100,000    6.10   $0.70    100,000   $0.70 
$0.73    630,000    4.67   $0.73    630,000   $0.73 
$0.85    6,000    0.51   $0.85    6,000   $0.85 
$0.90    36,000    1.94   $0.90    36,000   $0.90 
$1.25    45,000    7.72   $1.25    30,000   $1.25 
$1.30    441,000    6.95   $1.30    398,500   $1.30 
$1.40    70,000    8.39   $1.40    70,000   $1.40 
$1.42    100,000    7.20   $1.42    66,667   $1.42 
$1.45    5,000    8.69   $1.45    1,667   $1.45 
$1.50    70,000    7.44   $1.50    70,000   $1.50 
$1.68    540,000    8.93   $1.68    540,000   $1.68 
$1.87    30,000    9.87   $1.87    –   $1.87 
$2.00    100,000    8.82   $2.00    10,000   $2.00 
$2.09    246,000    9.61   $2.09    –   $2.09 
$2.26    140,000    9.39   $2.26    90,000   $2.26 
$0.48–2.26    2,714,000    7.08   $1.33    2,203,834   $1.33