Area of property under lease.

No definition available.

Name:	imrx_AreaOfPropertyUnderLease
Namespace Prefix:	imrx_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of lease obligations acquired in business combination.

+ References

No definition available.

+ Details

Name:	imrx_NumberOfLeasesObligationsAssumed
Namespace Prefix:	imrx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- 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

No definition available.

+ Details

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

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

+ Details

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

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=imrx_BioArkiveIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=imrx_LeaseTerminationOnApril302032Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=imrx_LeaseTerminationOnDecember312022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=imrx_LeaseTerminationOnMarch312024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=imrx_OfficeSpaceInCambridgeMassachusettsNewYorkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=imrx_StorageSpaceInSomervilleMassachusettsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=imrx_OfficeLeaseInSanDiegoCalifornia2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Narratives (Details)	Dec. 31, 2021 USD ($) ft²	Dec. 22, 2021 agreement	Dec. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Right of use asset	$ 5,324,198		$ 613,103
BioArkive Inc
Lessee, Lease, Description [Line Items]
Right of use asset	4,824,700
Lease liability	$ 4,824,700
Number of Leases Obligations Assumed	3	3
Lease Termination on April 30, 2032 [Member] \| BioArkive Inc
Lessee, Lease, Description [Line Items]
Area of Property Under Lease \| ft²	38,613
Lease Termination on December 31, 2022 [Member] \| BioArkive Inc
Lessee, Lease, Description [Line Items]
Area of Property Under Lease \| ft²	6,100
Lease Termination on March 31, 2024 [Member] \| BioArkive Inc
Lessee, Lease, Description [Line Items]
Area of Property Under Lease \| ft²	4,760
Office Space In Cambridge, Massachusetts, New York [Member]
Lessee, Lease, Description [Line Items]
Minimum lease payment due 2022	$ 30,840
Storage Space In Somerville, Massachusetts [Member]
Lessee, Lease, Description [Line Items]
Minimum lease payment due 2022	3,569
2020 San Diego Lease
Lessee, Lease, Description [Line Items]
Minimum lease payment due 2022	659,990
Lease term				67 months
Right of use asset				$ 637,863
Lease liability	$ 5,364,936			$ 637,863