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Note J - Economic Dependency (Tables) | 12 Months Ended
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Jun. 30, 2019
Supplier Concentration Risk [Member] |
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Year ended June 30, |
|  | 2019 |  |  | 2018 |
|  | Raw Material Purchases by Supplier |  |  | % of Total Raw Material Purchases |  |  | Raw Material Purchases by Supplier |  |  | % of Total Raw Material Purchases |
Supplier 1 |  |  | 8,240 |  |  |  | 11 | % |  |  | 7,487 |  |  |  | 10 | %
Supplier 2 |  | $ | (a) |  |  |  | (a) |  |  |  | 7,727 |  |  |  | 11 | %
|  | $ | 8,240 |  |  |  | 11 | % |  | $ | 15,214 |  |  |  | 21 | %
Customer Concentration Risk [Member] |
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Fiscal 2019 |  |  | Fiscal 201 8 |
Customer 1 |  | $ | 68,197 |  |  | $ | 74,349 |
Customer 2 |  |  | 26,102 |  |  |  | 13,881 |
|  | $ | 94,299 |  |  | $ | 88,230 |

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