Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Recent Accounting Pronouncements (Details Textual)

v3.21.1
Note 3 - Recent Accounting Pronouncements (Details Textual) - Computer Software, Intangible Asset [Member]
9 Months Ended
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