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Restatement - Restatement (Details) (USD $)
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Accounts payable and other current liabilities $ 1,966,224us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent $ 2,427,184us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Due to Pension Benefit Guaranty Corporation 2,001,984us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent 1,904,544us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent
Derivative liabilities - long term portion    1,442,781us-gaap_DerivativeLiabilitiesNoncurrent
Capital in excess of par value 41,750,912us-gaap_AdditionalPaidInCapital 39,851,457us-gaap_AdditionalPaidInCapital
Accumulated Deficit (51,764,832)us-gaap_RetainedEarningsAccumulatedDeficit (51,306,034)us-gaap_RetainedEarningsAccumulatedDeficit
Selling, general and administrative 1,054,867us-gaap_SellingGeneralAndAdministrativeExpense 1,733,021us-gaap_SellingGeneralAndAdministrativeExpense
Interest Expense 1,838,375us-gaap_InterestExpense 3,173,975us-gaap_InterestExpense
Amortization of deferred finance costs (83,714)us-gaap_DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAmortizationExpense (30,085)us-gaap_DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAmortizationExpense
Gain (loss) on settlement of liabilities 213,961us-gaap_LitigationSettlementAmount 1,493,939us-gaap_LitigationSettlementAmount
Gain on value of derivative liabilities 1,337,886us-gaap_DerivativeGainLossOnDerivativeNet 571,390us-gaap_DerivativeGainLossOnDerivativeNet
Net income (loss) (458,798)us-gaap_NetIncomeLoss 443,657us-gaap_NetIncomeLoss
Original Reported    
Accounts payable and other current liabilities   2,409,194us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Due to Pension Benefit Guaranty Corporation   1,914,392us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Derivative liabilities - long term portion   1,309,955us-gaap_DerivativeLiabilitiesNoncurrent
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Capital in excess of par value   41,215,775us-gaap_AdditionalPaidInCapital
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Accumulated Deficit   (51,737,831)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Selling, general and administrative   1,749,111us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Interest Expense   (3,219,678)us-gaap_InterestExpense
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Amortization of deferred finance costs     
Gain (loss) on settlement of liabilities   1,273,195us-gaap_LitigationSettlementAmount
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Gain on value of derivative liabilities   441,533us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Net income (loss)   61,348us-gaap_NetIncomeLoss
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= pvsp_OriginalReportedMember
Adjustments    
Accounts payable and other current liabilities   17,990us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Due to Pension Benefit Guaranty Corporation   (9,848)us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Derivative liabilities - long term portion   132,826us-gaap_DerivativeLiabilitiesNoncurrent
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Capital in excess of par value   (572,765)us-gaap_AdditionalPaidInCapital
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Accumulated Deficit   431,797us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Selling, general and administrative   (16,095)us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Interest Expense   (45,703)us-gaap_InterestExpense
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Amortization of deferred finance costs   (30,085)us-gaap_DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAmortizationExpense
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Gain (loss) on settlement of liabilities   220,744us-gaap_LitigationSettlementAmount
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember
Gain on value of derivative liabilities   $ (129,875)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis
= us-gaap_RestatementAdjustmentMember