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Income Taxes (Details)
 3 Months Ended
Mar. 31, 2015
Effective income tax rate reconciliation [Line Items]  
Statutory income tax rate (in hundredths) 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Percentage of valuation allowance (in hundredths) 100.00%phmd_PercentageOfValuationAllowanceOfTaxAttributesAndDeferredTaxAssets
Israeli Subsidiaries [Member]  
Effective income tax rate reconciliation [Line Items]  
Standard corporate income tax rate (in hundredths) 26.50%phmd_StandardCorporateIncomeTaxRateInHundredths
/ us-gaap_StatementGeographicalAxis
= phmd_IsraeliSubsidiariesMember
UK Subsidiaries [Member]  
Effective income tax rate reconciliation [Line Items]  
Standard corporate income tax rate (in hundredths) 20.00%phmd_StandardCorporateIncomeTaxRateInHundredths
/ us-gaap_StatementGeographicalAxis
= phmd_UkSubsidiariesMember