Note 3 - Basic and Diluted Net Income Per Share (Details Textual)	3 Months Ended
	Sep. 30, 2022 shares
Restricted Stock [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	29,200
The 2021 Omnibus Equity Incentive Plan [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)	277,037
The 2021 Omnibus Equity Incentive Plan [Member] | Reverse Stock Split [Member] | Minimum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	1.5
The 2021 Omnibus Equity Incentive Plan [Member] | Reverse Stock Split [Member] | Maximum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2.75