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Commitments and Contingencies (Details) - Schedule of Supplemental Cash Flow Information - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows for leases | $ 674 | $ 704

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- References No definition available. + Details
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Namespace Prefix: | prso_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration