Annual report pursuant to Section 13 and 15(d)

Provision for Income Taxes - Schedule of reconciliation of the statutory federal rate and effective tax rate (Details)

v2.4.1.9
Provision for Income Taxes - Schedule of reconciliation of the statutory federal rate and effective tax rate (Details)
11 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Jan. 31, 2013
Reconciliation of the statutory federal rate and the company's effective tax rate      
U.S. federal taxes at statutory rate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State taxes, net of federal benefit 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Permanent differences 5.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense 4.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense (2.00%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense
Foreign rate differential (4.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (7.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (2.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Federal and state credits, net of reserve 8.00%p_EffectiveIncomeTaxRateReconciliationFederalAndStateCreditsNetOfReserve 11.00%p_EffectiveIncomeTaxRateReconciliationFederalAndStateCreditsNetOfReserve 2.00%p_EffectiveIncomeTaxRateReconciliationFederalAndStateCreditsNetOfReserve
Change in valuation allowance (46.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance (55.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance (30.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Change in rate 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate 6.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate (2.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Deferred adjustments 3.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 6.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective tax rate 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations (2.00%)us-gaap_EffectiveIncomeTaxRateContinuingOperations 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations