Note 13 - Employee Stock Purchase Plan (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2022	Mar. 31, 2022	Jun. 23, 2021
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 56
Share Price (in dollars per share)	$ 10.73	$ 10.73
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)			250,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)	5,245	9,236
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 56	$ 91
Shares Issued, Price Per Share (in dollars per share)	$ 9.12	$ 9.12
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date	15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Discount Amount	$ 8
Share-Based Payment Arrangement, Expense	$ 16