XML 75 R63.htm IDEA: XBRL DOCUMENT
v3.23.3

FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurement Inputs (Details) - Level 3 $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 USD ($) | Dec. 31, 2022
Private warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Change in fair value | $ (291) |
RTI warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Change in fair value | $ (1,485) |
Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Private warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Warrant, measurement input | 0 | 0
Fair Value Measurements on Recurring Basis | Expected annual dividend yield | RTI warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Warrant, measurement input | 0 | 0
Fair Value Measurements on Recurring Basis | Expected volatility | Private warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Warrant, measurement input | 1.011 | 1.051
Fair Value Measurements on Recurring Basis | Expected volatility | RTI warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Warrant, measurement input | 0.895 | 0.997
Fair Value Measurements on Recurring Basis | Risk-free rate of return | Private warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Warrant, measurement input | 0.049 | 0.042
Fair Value Measurements on Recurring Basis | Risk-free rate of return | RTI warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Warrant, measurement input | 0.053 | 0.044
Fair Value Measurements on Recurring Basis | Expected option term (years) | Private warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Expected option term (years) | 2 years 6 months | 3 years 2 months 12 days
Fair Value Measurements on Recurring Basis | Expected option term (years) | RTI warrants |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Expected option term (years) | 1 year 3 months 18 days | 2 years

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 No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, 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 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=pct_PrivateWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=pct_RTIWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputOptionVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |