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v3.22.2.2

Organization (Details) | Aug. 18, 2022
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Discontinued Operations, Held-for-sale | Trans Ova |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Ownership interest disposed of percentage | 100.00%

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- Definition Disposal Group, Including Discontinued Operation, Ownership Interest Disposed Of + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- 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
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=pgen_TransOvaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |