Name:	pets_LessorOperatingLeaseRemainingWeightedAverageLeaseTerm
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents number of tenants.

No definition available.

Name:	pets_NumberOfTenants
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Data Type:	xbrli:integerItemType
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Period Type:	duration

The percentage amount of property that was leased to tenants of the property.

No definition available.

Name:	pets_PercentageOfPropertyLeasedToTenants
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents term of agreement.

No definition available.

Name:	pets_TermOfAgreement
Namespace Prefix:	pets_
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Area of a real estate property.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section S99
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-Subparagraph (SX 210.5-03(4))
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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
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-Section 50
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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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-Name Accounting Standards Codification
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Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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