Note 17 - Contract Balances (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Revenue, Remaining Performance Obligation, Amount	$ 636	$ 924
Minimum [Member]
Percentage of Contract Consideration	70.00%
Maximum [Member]
Percentage of Contract Consideration	90.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)	2 years

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045

Name:	us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant