Name:	pets_LessorOperatingLeaseRemainingWeightedAverageLeaseTerm
Namespace Prefix:	pets_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents number of tenants.

No definition available.

Name:	pets_NumberOfTenants
Namespace Prefix:	pets_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

Name:	pets_PercentageOfPropertyLeasedToTenants
Namespace Prefix:	pets_
Data Type:	num:percentItemType
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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.

Name:	us-gaap_AreaOfRealEstateProperty
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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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Future rental payments receivable within one year of the balance sheet date under an operating lease.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
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Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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

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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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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.

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Period Type:	duration

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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-Publisher FASB
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Data Type:	xbrli:durationItemType
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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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-Publisher FASB
-Name Accounting Standards Codification
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