Area of mining fields.

No definition available.

Name:	pzg_AreaOfMiningFields
Namespace Prefix:	pzg_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Commitments and contingencies.

+ References

No definition available.

+ Details

Name:	pzg_CommitmentsAndContingenciesLineItems
Namespace Prefix:	pzg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee operating lease liability payments due two thousand eighteen.

+ References

No definition available.

+ Details

Name:	pzg_LesseeOperatingLeaseLiabilityPaymentsDueTwoThousandEighteen
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Option to purchase mining claims price.

+ References

No definition available.

+ Details

Name:	pzg_OptionToPurchaseMiningClaimsPrice
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Payment to purchase net profit interest.

+ References

No definition available.

+ Details

Name:	pzg_PaymentToPurchaseNetProfitInterest
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Payments for contractual obligation.

+ References

No definition available.

+ Details

Name:	pzg_PaymentsForContractualObligation
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of mining claim rights acquired.

+ References

No definition available.

+ Details

Name:	pzg_PercentageOfMiningClaimRightsAcquired
Namespace Prefix:	pzg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of Net Profit Interest

+ References

No definition available.

+ Details

Name:	pzg_PercentageOfNetProfitInterest
Namespace Prefix:	pzg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of net smelter royalty.

+ References

No definition available.

+ Details

Name:	pzg_PercentageOfNetSmelterRoyalty
Namespace Prefix:	pzg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of royalty.

+ References

No definition available.

+ Details

Name:	pzg_PercentageOfRoyalty
Namespace Prefix:	pzg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Rate of right to reduce net smelter royalty by parent.

+ References

No definition available.

+ Details

Name:	pzg_RateOfRightToReduceNetSmelterRoyaltyByParent
Namespace Prefix:	pzg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related party transaction, payments made.

+ References

No definition available.

+ Details

Name:	pzg_RelatedPartyTransactionPaymentsMade
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of lessor's operating lease, 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919359-209981

+ Details

Name:	us-gaap_LessorOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfBusinessesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 5
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

+ Details

Name:	us-gaap_OperatingLeasePayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from the acquisition of a mineral right which is the right to extract a mineral from the earth or to receive payment, in the form of royalty, for the extraction of minerals.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireMineralRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_CounterpartyNameAxis=pzg_NevadaSelectRoyaltyIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=pzg_SeabridgeGoldIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=pzg_GrassyMountainProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=pzg_FrostProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_NV
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Additional Information (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2022 USD ($) a	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) a MiningClaim	Dec. 31, 2022 CAD ($) MiningClaim
Nevada
Commitments And Contingencies [Line Items]
Total consideration payable	$ 300,000		$ 300,000
Total consideration paid			$ 20,000
Related party transaction, payments made	$ 30,000
Seabridge Gold Inc.
Commitments And Contingencies [Line Items]
Percentage of Net Profit Interest		5.70%
Grassy Mountain Project
Commitments And Contingencies [Line Items]
Number of mining fields \| MiningClaim			44	44
Area covered by mining claims \| a	589		589
Annual lease payment, year one	$ 60,000		$ 60,000
Option to purchase mining claims, price			$ 560,000
Term of the agreement	25 years		25 years
Operating lease, payments		$ 0	$ 0
Grassy Mountain Project \| Seabridge Gold Inc.
Commitments And Contingencies [Line Items]
Payment to purchase net profit interest				$ 10,000,000
Grassy Mountain Project \| Minimum
Commitments And Contingencies [Line Items]
Royalty rate	2.00%		2.00%
Grassy Mountain Project \| Maximum
Commitments And Contingencies [Line Items]
Royalty rate	4.00%		4.00%
Frost Project \| Nevada
Commitments And Contingencies [Line Items]
Number of mining fields \| MiningClaim			40	40
Percentage of mining claim rights acquired			100.00%	100.00%
Total consideration payable	$ 250,000		$ 250,000
Percentage of Net Smelter Royalty			2.00%	2.00%
Rate of right to reduce net smelter royalty by parent			1.00%	1.00%
Payment to reduce NSR by parent			$ 1,000,000