Debt instrument basis spread on variable rate conditional reduction.

No definition available.

Name:	immr_DebtInstrumentBasisSpreadOnVariableRateConditionalReduction
Namespace Prefix:	immr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The description of minimum fixed charge coverage ratio required to maintained upon covenant terms.

+ References

No definition available.

+ Details

Name:	immr_DescriptionForRequirementOfConsolidatedFixedChargeCoverageRatio
Namespace Prefix:	immr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility covenant waiver optional extension period.

+ References

No definition available.

+ Details

Name:	immr_LineOfCreditFacilityCovenantWaiverOptionalExtensionPeriod
Namespace Prefix:	immr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of minimum availability required to be maintained upon covenant terms.

+ References

No definition available.

+ Details

Name:	immr_MinimumAvailabilityAmountToBeMaintained
Namespace Prefix:	immr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

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DEBT - Narrative (Details) - Credit Facility - Barnes & Noble Education, Inc. - USD ($)				3 Months Ended
	Dec. 05, 2025	Oct. 21, 2025	Aug. 08, 2025	Jul. 31, 2026
Line of Credit Facility [Line Items]
Line of credit facility, covenant waiver optional extension period		45 days	75 days
Line of credit facility, maximum borrowing capacity				$ 325,000,000
Debt instrument, maturity date				Jun. 09, 2028
Debt instrument, basis spread on variable rate, conditional reduction				0.25%
Minimum Availability amount to be maintained				$ 30,000,000
Requirement of minimum Consolidated Fixed Charge Coverage Ratio				1.10 to 1.00
Line of credit facility, commitment fee percentage	0.10%	0.10%	0.10%
Secured Overnight Financing Rate (“SOFR”)
Line of Credit Facility [Line Items]
Debt instrument, description of variable rate basis				Secured Overnight Financing Rate
Debt instrument, interest rate, stated percentage				2.50%
Debt instrument, basis spread on variable rate				3.50%
Base Rate
Line of Credit Facility [Line Items]
Debt instrument, description of variable rate basis				alternate base rate
Debt instrument, interest rate, stated percentage				3.50%
Debt instrument, basis spread on variable rate				2.50%