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Consolidated Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Jun. 30, 2019 7,404,831      
Balance at Jun. 30, 2019 $ 37,024 $ 6,333,135 $ 8,701,942 $ 15,072,101
Net income (loss)     (465,597) (465,597)
Stock-based compensation expense   549,594   549,594
Balance at Jun. 30, 2020 $ 37,024 6,882,729 8,236,345 $ 15,156,098
Balance (in shares) at Jun. 30, 2020 7,404,831     7,404,831
Net income (loss)     493,594 $ 493,594
Stock-based compensation expense   619,137   $ 619,137
Exercise of common stock options (in shares) 1,203,875     1,203,875
Exercise of common stock options $ 6,020 3,300,252   $ 3,306,272
Balance at Jun. 30, 2021 $ 43,044 $ 10,802,118 $ 8,729,939 $ 19,575,101
Balance (in shares) at Jun. 30, 2021 8,608,706     8,608,706