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v3.20.1

Note G - Economic Dependency (Tables) | 9 Months Ended
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Mar. 31, 2020
Supplier Concentration Risk [Member] |
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three Months Ended March 31, |  |  | Nine Months Ended March 31, |
|  | 20 20 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Supplier 1 |  | $ | 1,930 |  |  | (a) |  |  | (a) |  |  | (a) |
Supplier 2 |  | (a) |  |  | (a) |  |  | (a) |  |  |  | 6,312 |
|  | $ | 1,930 |  |  |  | — |  |  | $ | — |  |  |  | 6,312 |
Customer Concentration Risk [Member] |
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three Months Ended March 31, |  |  | Nine Months Ended March 31, |
|  | 20 20 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Customer 1 |  | $ | 9,271 |  |  | $ | 18,731 |  |  | $ | 36,047 |  |  | $ | 58,396 |
Customer 2 |  |  | 7,599 |  |  |  | 7,294 |  |  |  | 17,108 |  |  |  | 17,220 |
|  | $ | 16,870 |  |  | $ | 26,025 |  |  | $ | 53,155 |  |  | $ | 75,616 |

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