Income Taxes (Details)	12 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Tax Examination, Tax Positions Recognition, Likelihood Threshold Percentage	50.00%

The likelihood expressed in percentage that the uncertain tax position will be sustained as a result of the examination by the taxing authority.

No definition available.

Name:	pcv_IncomeTaxExaminationTaxPositionsRecognitionLikelihoodThresholdPercentage
Namespace Prefix:	pcv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration