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Commitments and Contingencies (Details Textual) (USD $)
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1 Months Ended | 12 Months Ended | ||
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Dec. 20, 2012
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Dec. 31, 2014
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Dec. 31, 2012
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Mar. 31, 2015
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| Commitments And Contingencies [Line Items] | ||||
| Payments for Legal Settlements | $ 2,100,000us-gaap_PaymentsForLegalSettlements | |||
| Settlement benefit (Note 3) | 10,000prph_SettlementBenefit | |||
| Additional Royalties and Commissions, Accrual Interest Percentage | 3.25%prph_AdditionalRoyaltiesAndCommissionsAccrualInterestPercentage | |||
| Additional Royalties and Commissions Payable, Installment Amount | 100,000prph_AdditionalRoyaltiesAndCommissionsPayableInstallmentAmount | 100,000prph_AdditionalRoyaltiesAndCommissionsPayableInstallmentAmount | ||
| Additional Annual Installment Includes In Other Current Liability | 100,000prph_AdditionalAnnualInstallmentIncludesInOtherCurrentLiability | |||
| Additional Annual Installment Includes In Other Long Term Obligation | $ 100,000prph_AdditionalAnnualInstallmentIncludesInOtherLongTermObligation | |||
| X | ||||||||||
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- Definition
It defines the portion of additional annual installment includes in other current Liability. No definition available.
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- Definition
It defines the portion of additional annual installment includes In other long term obligation. No definition available.
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- Definition
Represents the interest rate percentage computed on royalty installment amount due. No definition available.
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- Definition
Represents additional royalties and commissions installment amount. No definition available.
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- Details
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- Definition
Represents the amount of realized benefit as a consequence of a reduction of the previously recorded accrued royalties and commission obligation. No definition available.
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- Definition
The amount of cash paid for the settlement of litigation or for other legal issues during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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