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Equity - Share Purchase Warrants (Details)	12 Months Ended
	Dec. 31, 2025 $ / shares shares
Number of Warrants
Warrants Issued | shares	4,823,408
Balance, end of the year | shares	4,823,408
Weighted Average Exercise Price
Warrants Issued | $ / shares	$ 35.59
Balance, end of the year | $ / shares	$ 35.59

X

- Definition

The exercise price number of warrants or rights issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ppta_
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Balance Type:	na
Period Type:	duration

X

- Definition

The number of warrants or rights issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ppta_
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X

- Definition

A roll forward is a warrant or right outstanding of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ppta_
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Balance Type:	na
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X

- Definition

A roll forward is a warrant or right weighted average exercise price of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ppta_
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant