Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2024	Aug. 09, 2024
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Fiscal Year Focus	2024
Document Period End Date	Jun. 30, 2024
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	000-38334
Entity Registrant Name	Immersion Corporation
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3180138
Entity Address, Address Line One	2999 N.E. 191st Street
Entity Address, Address Line Two	Suite 610
Entity Address, City or Town	Aventura
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33180
City Area Code	408
Local Phone Number	467-1900
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		32,182,395
Entity Central Index Key	0001058811
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	IMMR
Security Exchange Name	NASDAQ
Series B
Entity Information [Line Items]
Title of 12(b) Security	Series B Junior Participating Preferred Stock Purchase Rights
Trading Symbol	IMMR
Security Exchange Name	NASDAQ