Name:	pzg_EstimatedUndiscountedReclamationCost
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Inflation rate assumption used in valuing an estimate of reclamation costs.

No definition available.

Name:	pzg_FairValueAssumptionsInflationRate
Namespace Prefix:	pzg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Insurance policy, maximum reclamation costs covered.

No definition available.

Name:	pzg_InsurancePolicyMaximumReclamationCostsCovered
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Noncurrent bond posted used to reimburse reclamation costs and indemnity claims paid by the Company.

No definition available.

Name:	pzg_ReclamationBondNoncurrent
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Value of input used to measure alternative investment.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Name:	us-gaap_AlternativeInvestmentMeasurementInput
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Data Type:	xbrli:decimalItemType
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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Name:	us-gaap_AssetRetirementObligation
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Data Type:	xbrli:monetaryItemType
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Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.Y.Q2)
-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

Name:	us-gaap_MineReclamationAndClosingLiabilityNoncurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.