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Income Taxes (Details 2) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Current Tax Expense    
Danish Income Tax $ (177,539)us-gaap_CurrentStateAndLocalTaxExpenseBenefit   
Deferred Income Tax Expense (Benefit)    
Excess of Tax over Book Depreciation Fixed Assets 19,259pmhs_ExcessTaxBenefitOverDepreciationFixedAssets 26,364pmhs_ExcessTaxBenefitOverDepreciationFixedAssets
Excess of Tax over Book Depreciation Patents 67,488pmhs_ExcessTaxBenefitOverDepreciationPatents (105,585)pmhs_ExcessTaxBenefitOverDepreciationPatents
Net Operating Loss Carryforwards (523,378)pmhs_IncomeTaxExpenseBenefitOperatingLossCarryforwards (190,988)pmhs_IncomeTaxExpenseBenefitOperatingLossCarryforwards
Change in the Valuation allowance 436,631pmhs_ValuationAllowanceIncomeTaxExpenseBenefitChangeInAmount 270,209pmhs_ValuationAllowanceIncomeTaxExpenseBenefitChangeInAmount
Total Deferred Tax Expense