Earnings Per Share - Summary of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income - numerator for basic earnings per share and diluted earnings per share - available to common stockholders	$ 9,093	$ 7,561
Denominator for basic earnings per share:
Weighted-average shares	7,404,089	7,464,814
Denominator for diluted earnings per share:
Adjusted weighted-average shares and assumed conversions	7,449,004	7,538,409
Basic earnings per share	$ 1.23	$ 1.01
Diluted earnings per share	$ 1.22	$ 1.00
Stock Option
Denominator for basic earnings per share:
Effect of dilutive shares	29,614	49,917
Restricted Stock
Denominator for basic earnings per share:
Effect of dilutive shares	15,301	23,678