Earnings Per Share - Computation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Composition of the weighted average common shares used in the basic and diluted earnings per share computation
Weighted-average common shares and common stock equivalents used to calculate basic and diluted earnings per share	14,541,136	13,245,864
Net income	$ 3,779	$ 1,328
Basic and diluted earnings per share (in dollars per share)	$ 0.26	$ 0.10