XML 74 R59.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Subsequent Event - Additional Information (Details) - Subsequent Event - Technology License and Patent Assignment Agreement - Intel Corporation | Aug. 05, 2022 USD ($)
--- | ---
Subsequent Event [Line Items] |
Agreement consideration receivable | $ 3,062,500
Agreement consideration receivable upon satisfaction as per agreement | $ 437,500

X
- Definition Agreement consideration receivable. + References No definition available. + Details
Name: | prso_AgreementConsiderationReceivable
Namespace Prefix: | prso_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Agreement consideration receivable upon satisfaction. + References No definition available. + Details
Name: | prso_AgreementConsiderationReceivableUponSatisfaction
Namespace Prefix: | prso_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_CounterpartyNameAxis=prso_IntelCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |