XML 146 R91.htm IDEA: XBRL DOCUMENT
v3.26.1

Gemma License Agreement (Q1) (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2024 | Mar. 31, 2026 | Dec. 31, 2025 | Dec. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Upfront license fee receivable | $ 15,000 |  |  |
Non-refundable sublicense payments received |  | $ 13,750 | $ 13,750 | $ 8,226
Gemma License Agreement |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Upfront license fee receivable |  | 15,000 | 15,000 |
Payment received | 5,000 | 7,500 | 7,500 |
Amount of license fee due and receivables | 5,000 |  |  |
Proceeds from short term license fee |  | 2,500 |  |
Long-term license fee due and receivables | 5,000 | 5,000 |  |
Contingent proceeds upon completing certain business milestones | 5,000 |  |  |
Maximum additional amount in development and commercial milestone payments receivable | $ 114,000 |  |  |
Amount of transition services payments |  | 4,800 | 4,800 |
Transition service payments |  | 1,500 | 1,500 |
Non-refundable sublicense payments received |  | $ 13,800 | $ 13,800 |

X
- Definition Contingent proceeds upon completing certain business milestones. + References No definition available. + Details
Name: | pasg_ContingentProceedsFromUponCompletionOfCertainBusinessMilestones
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of license fee due and receivable as of the balance sheet date under the license agreement. + References No definition available. + Details
Name: | pasg_LicenseFeeDueAndReceivable
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of license fee due and receivable in long-term as of the balance sheet date under the license agreement. + References No definition available. + Details
Name: | pasg_LongTermLicenseFeeDueAndReceivable
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The maximum additional amount in development and commercial milestone payments receivable. + References No definition available. + Details
Name: | pasg_MaximumAdditionalAmountInDevelopmentAndCommercialMilestonePaymentsReceivable
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of decrease in payable due to amounts received under transition service payments. + References No definition available. + Details
Name: | pasg_PayableDecreaseFromAmountsReceivedTransitionServicesPayments
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash inflow from non-refundable sublicense payments received. + References No definition available. + Details
Name: | pasg_ProceedsFromNonRefundableSublicensePayments
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from non-refundable transition service payments received by the company. + References No definition available. + Details
Name: | pasg_ProceedsFromNonRefundableTransitionServicesPayments
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow from short term license. + References No definition available. + Details
Name: | pasg_ProceedsFromShortTermLicenseFee
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of upfront license fee that is receivable under the license arrangement. + References No definition available. + Details
Name: | pasg_UpfrontLicenseFeeReceivable
Namespace Prefix: | pasg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=pasg_ArrangementWithGemmaBiotherapeuticsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |