Accounts Payable and Accrued Expenses (Details)	Aug. 31, 2015 USD ($)
Accounts Payable and Accrued Expenses (Textual)
Payable from sale of subsidiaries	$ 796,499

Accounts Payable and Accrued Expenses Textual [Abstract]

No definition available.

Name:	pvsp_AccountsPayableAndAccruedExpensesTextualAbstract
Namespace Prefix:	pvsp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration