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Note G - Economic Dependency (Tables) | 6 Months Ended
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Dec. 31, 2020
Supplier Concentration Risk [Member] |
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three Months Ended December 31, |  |  | Six Months Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Supplier 1 |  | $ | 6,412 |  |  |  | 1,734 |  |  | $ | 9,787 |  |  |  | 3,227 |
|  | $ | 6,412 |  |  |  | 1,734 |  |  | $ | 9,787 |  |  |  | 3,227 |
Customer Concentration Risk [Member] |
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three Months Ended December 31, |  |  | Six Months Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Customer 1 |  | $ | 24,827 |  |  | $ | 12,422 |  |  | $ | 48,785 |  |  | $ | 26,776 |
Customer 2 |  |  | 8,910 |  |  |  | 5,539 |  |  |  | 11,716 |  |  |  | 9,509 |
|  | $ | 33,737 |  |  | $ | 17,961 |  |  | $ | 60,501 |  |  | $ | 36,285 |

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