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v3.20.1

Note 8: Earnings Per Share (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Details |  |  |  |
Options Outstanding With An Exercise Price In Excess of the Market Price | 50,500 | 31,000 | 33,000 | 13,500

X
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Namespace Prefix: | fil_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration