Note 3 - Recent Accounting Pronouncements (Details Textual) - Computer Software, Intangible Asset [Member] |
9 Months Ended |
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Mar. 31, 2021 | |
| Minimum [Member] | |
| Finite-lived Intangible Assets, Renewal Period (Year) | 1 year |
| Maximum [Member] | |
| Finite-lived Intangible Assets, Renewal Period (Year) | 3 years |
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- Definition The period for renewal of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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