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Investment in a Joint Venture (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | 1 Months Ended |
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Dec. 31, 2014
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Mar. 31, 2010
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| Schedule of Investments [Line Items] | ||
| Asset Impairment Charges | $ 3.6us-gaap_AssetImpairmentCharges | |
| PSI Technology License [Member] | ||
| Schedule of Investments [Line Items] | ||
| Intangible Assets, Net (Excluding Goodwill) |
3.6us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = prph_PsiTechnologyLicenseMember |
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| PSI Parent [Member] | ||
| Schedule of Investments [Line Items] | ||
| Stock Issued During Period, Shares, New Issues |
1,440,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = prph_PsiParentMember |
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| Stock Issued During Period, Value, New Issues |
2.6us-gaap_StockIssuedDuringPeriodValueNewIssues / dei_LegalEntityAxis = prph_PsiParentMember |
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| Payments To Fund Joint Venture Investments |
$ 1.0prph_PaymentsToFundJointVentureInvestments / dei_LegalEntityAxis = prph_PsiParentMember |
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- Definition
The cash outflow associated with the funding of joint venture investments. No definition available.
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- Definition
Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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