Note 13 - Segment Information (Details Textual) $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Number of Reportable Segments	2
Revenue from Contract with Customer, Including Assessed Tax	$ 52,769	$ 49,977
Europe and Canada [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 8,473	$ 6,807