Name:	pzg_EstimatedUndiscountedReclamationCost
Namespace Prefix:	pzg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

Carrying amount as of the balance sheet date of unamortized costs of insurance coverage, which will be charged against earnings ratably over the period in which contractually agreed upon coverage's will be in effect.

No definition available.

Name:	pzg_PrepaidInsuranceCurrentAndNonCurrent
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

Risk-free interest rate assumption used in valuing an instrument.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_FairValueAssumptionsRiskFreeInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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.