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						9 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income	$ 1,141	$ 79	$ 3,316	$ 1,724	$ 3,812	$ 2,451	$ 4,536	$ 7,987
Denominator:
Basic weighted-average common shares outstanding (in shares)	13,195			14,071			13,261	14,175
Effect of dilutive securities:
Stock awards and options (in shares)	62			141			51	245
Diluted weighted-average common shares outstanding (in shares)	13,257			14,212			13,312	14,420
Net income per share, basic (in USD per share)	$ 0.09			$ 0.12			$ 0.34	$ 0.56
Net income per share, diluted (in USD per share)	$ 0.09			$ 0.12			$ 0.34	$ 0.55