Summary of Significant Accounting Policies - Summary of Computation of Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Numerator:
Net income	$ 3,316	$ 2,451
Denominator:
Basic weighted-average common shares outstanding (in shares)	13,394	14,269
Effect of dilutive securities:
Stock awards and options (in shares)	75	426
Diluted weighted-average common shares outstanding (in shares)	13,469	14,695
Net income per share, basic (USD per share)	$ 0.25	$ 0.17
Net income per share, diluted (USD per share)	$ 0.25	$ 0.17