XML 64 R54.htm IDEA: XBRL DOCUMENT v3.21.1
Note 7 - Inventories (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Selling Expense $ 3.0 $ 2.0 $ 8.4 $ 7.0