EARNINGS PER SHARE - Narrative (Details)	6 Months Ended
Jun. 30, 2024 Number
EARNINGS PER SHARE
Number of common class methods using earning per share (“EPS”)	2

The number of common class method which is an earnings allocation formula that determines earning per share (“EPS”) for common stock and any participating securities according to dividends declared (whether paid or unpaid).

No definition available.

Name:	immr_NumberOfCommonClassMethodsUsingEarningPerShare
Namespace Prefix:	immr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration