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Commitments and Contingencies - Additional Information (Details) - USD ($)		12 Months Ended
	Oct. 16, 2023	Dec. 31, 2024	Dec. 31, 2023
Commitments And Contingencies [Line Items]
Operating lease, option to extend	true
Additional extension of lease period	5 years
Additional lease start date	Aug. 01, 2024
Additional lease expiration date	Jul. 31, 2029
Contingent liability for aggregate minimum lease payments		$ 4,300,000
Contract Liabilities
Commitments And Contingencies [Line Items]
Contract liabilities		$ 10,000,000	$ 10,000,000
Imugene
Commitments And Contingencies [Line Items]
Lease expiration date		Aug. 31, 2027
Guarantor contract liability		$ 0

X

- Definition

Additional lease commencement date.

+ References

No definition available.

+ Details

Name:	dtil_AdditionalLeaseCommencementDate
Namespace Prefix:	dtil_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Additional lease expiration date.

+ References

No definition available.

+ Details

Name:	dtil_AdditionalLeaseExpirationDate
Namespace Prefix:	dtil_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent commitments and contingencies.

+ References

No definition available.

+ Details

Name:	dtil_CommitmentsAndContingenciesLineItems
Namespace Prefix:	dtil_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Contingent liability for aggregate minimum lease payments.

+ References

No definition available.

+ Details

Name:	dtil_ContingentLiabilityForAggregateMinimumLeasePayments
Namespace Prefix:	dtil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Guarantor contract liability.

+ References

No definition available.

+ Details

Name:	dtil_GuarantorContractLiability
Namespace Prefix:	dtil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Indicates (true false) whether lessee has option to extend operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend
Namespace Prefix:	us-gaap_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of lessor's operating lease renewal, 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
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-3

+ Details

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

X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

+ Details

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

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=dtil_ContractLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=dtil_ImugeneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: