General form of registration statement for all companies including face-amount certificate companies

Income Taxes - Deferred Tax Assets and Liabilities (Detail)

v2.4.1.9
Income Taxes - Deferred Tax Assets and Liabilities (Detail) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets    
Net operating loss carryforwards $ 9,951,666us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 16,859,179us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Deferred revenue   138,378us-gaap_DeferredTaxAssetsDeferredIncome
Equity issuance cost   102,935us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther
Bank loan 12,653us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses 23,014us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
Intercompany Loan Australia 1,129pirs_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForIntercompanyLoanLosses  
Total deferred tax assets 9,965,448us-gaap_DeferredTaxAssetsGross 17,123,506us-gaap_DeferredTaxAssetsGross
Valuation allowance 9,916,553us-gaap_DeferredTaxAssetsValuationAllowance 17,053,767us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax assets 48,895us-gaap_DeferredTaxAssetsNet 69,739us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities    
Useful life adjustment fixed assets 30,646us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment 54,303us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Adjustment accruals 8,811us-gaap_DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals 15,436us-gaap_DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals
Prepaid expenses 9,438us-gaap_DeferredTaxLiabilitiesPrepaidExpenses  
Total deferred tax liabilities 48,895us-gaap_DeferredIncomeTaxLiabilities 69,739us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax asset/(liability) $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet