Note 2 - Interim Basis of Presentation (Details Textual)
|9 Months Ended|
Mar. 31, 2021
|Number of Reportable Segments||2|
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef