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Accounts Payable and Accrued Expenses (Details) (USD $)
Nov. 30, 2014
Nov. 30, 2013
Summary of accounts payable and accrued expenses    
Trade payables $ 807,737us-gaap_AccountsPayableTradeCurrent $ 611,799us-gaap_AccountsPayableTradeCurrent
Amounts owed to related parties 343,401us-gaap_DueToOtherRelatedPartiesCurrentAndNoncurrent 410,333us-gaap_DueToOtherRelatedPartiesCurrentAndNoncurrent
Payable from sale of subsidiaries 796,499pvsp_PayableFromSaleOfSubsidiaries 796,499pvsp_PayableFromSaleOfSubsidiaries
Customer deposits 132,293us-gaap_CustomerDepositsCurrent 43,476us-gaap_CustomerDepositsCurrent
Other, individually less than 5% of current liabilities 651,072us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent 514,450us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent
Total accounts payable and accrued expenses $ 2,730,638us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent $ 2,376,557us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent