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Income Taxes (Details Textual) (Danish Tax [Member], USD $) | Dec. 31, 2014
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Danish Tax [Member] |
Income Taxes (Textual) |
Net operating loss carry forwards | $ 2,380,106 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = pmhs_DanishTaxMember

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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