Employee Benefit Plans - Additional Information (Detail) (USD $)	12 Months Ended
Jun. 30, 2013 Y Age	Jun. 30, 2012	Jun. 30, 2011
Compensation And Retirement Disclosure [Abstract]
Minimum Age of employees to participate in savings plan	18
Eligibility service period	3
Percentage of employee contribution of compensation under plan	50.00%
Employee contribution matched percentage	50.00%
Employee contribution percentage	4.00%
Profit sharing percentage at its discretion of employee contribution	4.00%
Participants vest in the Company's contributions	6
Matching and profit sharing contribution cost related to the plan	$ 0	$ 0	$ 0

Defined benefit plan minimum requisite service period.

No definition available.

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- Definition

Defined contribution plans employee contribution percentage of eligible compensation matched by employer.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Discretionary profit sharing contribution percentage of employee s salary.

+ References

No definition available.

+ Details

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- Definition

Employee contribution amount as percentage of total compensation.

+ References

No definition available.

+ Details

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Namespace Prefix:	pvfc_
Data Type:	num:percentItemType
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- Definition

Employees minimum age eligibility to participate in plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	pvfc_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting period for employer contribution to plan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:positiveIntegerItemType
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- Details

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Period Type:	duration