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WARRANTS (Details 2) (Fair Value, Inputs, Level 2 [Member], USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Fair Value, Inputs, Level 2 [Member] |  |  |
Warrants [Line Items] |  |  |
Beginning balance | $ 720,857 dhrm_WarrantsAndRightsOutstandingFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | $ 374,166 dhrm_WarrantsAndRightsOutstandingFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | $ 96,469 dhrm_WarrantsAndRightsOutstandingFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Warrants issued | 2,698,375 dhrm_WarrantsIssuedAtFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 dhrm_WarrantsIssuedAtFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 97,505 dhrm_WarrantsIssuedAtFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Fair value change of the issued warrants included in earnings | (2,866,172)dhrm_FairValueOfIssuedWarrants / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 346,691 dhrm_FairValueOfIssuedWarrants / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 180,192 dhrm_FairValueOfIssuedWarrants / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Ending balance | $ 553,060 dhrm_WarrantsAndRightsOutstandingFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | $ 720,857 dhrm_WarrantsAndRightsOutstandingFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | $ 374,166 dhrm_WarrantsAndRightsOutstandingFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member

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- Definition It represents the fair value of issued warrants. + References No definition available. + Details
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Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Fair Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References No definition available. + Details
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Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Fair value of warrants issued. + References No definition available. + Details
Name: | dhrm_WarrantsIssuedAtFairValue
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | dhrm_WarrantsLineItems
Namespace Prefix: | dhrm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration