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Accrued Compensation and related expenses (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Accrued Compensation and related expenses [Abstract]    
Accrued payroll and related taxes $ 620phmd_AccruedPayrollAndRelatedTaxes $ 513phmd_AccruedPayrollAndRelatedTaxes
Accrued vacation 410us-gaap_AccruedVacationCurrent 211us-gaap_AccruedVacationCurrent
Accrued commissions and bonuses 1,781us-gaap_AccruedEmployeeBenefitsCurrent 1,898us-gaap_AccruedEmployeeBenefitsCurrent
Total accrued compensation and related expense $ 2,811us-gaap_EmployeeRelatedLiabilitiesCurrent $ 2,622us-gaap_EmployeeRelatedLiabilitiesCurrent