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Stockholders' Equity - Summary of Effect of Stock Based Compensation (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Non-cash stock-based compensation expense | $ (11,380) | $ (1,700)
Income tax expense | (102) | (51)
Net income effect | (11,482) | (1,751)
eGain UK and Exony |  |
Income tax expense | (102) | (51)
eGain and Other US subsidiaries |  |
Income tax expense | 0 | 0
Non-employee awards |  |
Non-cash stock-based compensation expense | $ (232) | $ (47)

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