STOCKHOLDERS' EQUITY - Summary of Effect of Stock Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended	24 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025
Stock-based compensation expense	$ (2,449)	$ (4,529)
Income tax expense	(62)	(97)
Net income effect	(2,511)	(4,626)
eGain UK and Exony
Income tax expense	62	97
eGain and Other US subsidiaries
Income tax expense			$ 0
Non-employee awards
Stock-based compensation expense	$ 37	$ 23

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
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-Name Accounting Standards Codification
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-Subparagraph (h)(1)(i)
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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