XML 70 R55.htm IDEA: XBRL DOCUMENT
v3.22.4

WARRANTS - RTI Warrant Activity (Details) - $ / shares |  | 12 Months Ended
--- | --- | ---
Mar. 17, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Weighted average remaining contractual term (years) |  |  |  |
Weighted average remaining contractual term (years) | 5 years |  |  |
RTI warrants |  |  |  |
Number of warrants |  |  |  |
Beginning balance, Number of warrants (in shares) |  | 971,000 | 971,000 |
Granted, Number of warrants (in shares) |  | 0 | 0 |
Exercised, Number of warrants (in shares) |  | 0 | 0 |
Ending balance, Number of warrants (in shares) |  | 971,000 | 971,000 | 971,000
Exercisable, Number of warrants (in shares) |  | 971,000 |  |
Weighted average exercise price |  |  |  |
Beginning balance, Weighted average exercise price (in usd per share) |  | $ 5.56 | $ 5.56 |
Ending balance, Weighted average exercise price (in usd per share) |  | 5.56 | 5.56 | $ 5.56
Weighted average grant date fair value |  |  |  |
Beginning balance, Weighted average grant date fair value (in usd per share) |  | 0.03 | 0.03 |
Ending balance, Weighted average grant date fair value (in usd per share) |  | $ 0.03 | $ 0.03 | $ 0.03
Weighted average remaining contractual term (years) |  |  |  |
Weighted average remaining contractual term (years) |  | 2 years | 3 years | 4 years

X
- Definition Class of Warrant or Right, Additional Disclosures + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightAdditionalDisclosuresAbstract
Namespace Prefix: | pct_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Exercisable + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightExercisable
Namespace Prefix: | pct_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Exercise Price of Warrants or Rights + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsRollForward
Namespace Prefix: | pct_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Exercised + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightExercised
Namespace Prefix: | pct_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Grant Date Fair Value of Warrants or Rights + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightGrantDateFairValueOfWarrantsOrRights
Namespace Prefix: | pct_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Class of Warrant or Right, Grant Date Fair Value of Warrants or Rights + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightGrantDateFairValueOfWarrantsOrRightsRollForward
Namespace Prefix: | pct_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Granted + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightGranted
Namespace Prefix: | pct_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Number of Warrants + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightNumberOfWarrantsRollForward
Namespace Prefix: | pct_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Remaining Contractual Term + References No definition available. + Details
Name: | pct_ClassOfWarrantOrRightRemainingContractualTerm
Namespace Prefix: | pct_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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