Note 3 - Recent Accounting Pronouncements (Details Textual) - Computer Software, Intangible Asset [Member]
|9 Months Ended|
Mar. 31, 2021
|Finite-lived Intangible Assets, Renewal Period (Year)||1 year|
|Finite-lived Intangible Assets, Renewal Period (Year)||3 years|
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.