Net (Loss) Income Per Share - Schedule of Computation of Basic and Diluted Net (Loss) Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Numerator - basic and diluted:
Net (loss) income	$ (3,003)	$ (7,468)	$ 2,609	$ (1,367)	$ 3,557	$ 824	$ 5,969	$ (918)	$ (9,229)	$ 9,432	$ 9,328
Denominator:
Shares used in computing basic net (loss) income per share attributable to common stockholders (in shares)	42,078	41,823	41,693	41,487	41,214	40,911	40,635	39,689	41,770	40,612	38,227
Impact of dilutive securities (in shares)									0	1,079	1,099
Shares used in computing diluted net (loss) income per share attributable to common stockholders (in shares)	42,078	41,823	42,092	41,487	41,813	41,625	41,739	39,689	41,770	41,691	39,326
Basic and diluted net (loss) income per share attributable to common stockholders (in dollars per share)									$ (0.22)	$ 0.23	$ 0.24