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Interim Financial Reporting (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Sales $ 8,786,972 $ 8,743,897 $ 26,287,217 $ 25,593,337
Common stock equivalents excluded from calculation of diluted earnings per share 52,017 0 52,017 134,100
International [Member]        
Sales     $ 297,000 $ 455,000