Note 18 - (Losses) Earnings Per Share (Details Textual) - $ / shares	1 Months Ended	3 Months Ended	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)				674,500
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares)	140,000	140,500
Minimum [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 2.53	$ 3.28	$ 3.28	$ 2.53
Maximum [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 5.98	$ 7.76	$ 7.76	$ 5.98
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)			698,875