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RELATED PARTY TRANSACTIONS AND BALANCE (Details Textual) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Related Party Transaction [Line Items] |  |
Property, Plant and Equipment, Net, Total | $ 4,673,666 us-gaap_PropertyPlantAndEquipmentNet | $ 3,164,065 us-gaap_PropertyPlantAndEquipmentNet
Deposit Asset Related Party | 1,498,627 dhrm_DepositAssetRelatedParty | 0 dhrm_DepositAssetRelatedParty
Sleep respiratory system [Member] | HuNan Zhong Yi High-tech Development Co, LTD [Member] |  |
Related Party Transaction [Line Items] |  |
Property, Plant and Equipment, Net, Total | $ 1,142,845 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = dhrm_SleepRespiratorySystemMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = dhrm_HunanZhongYiHightechDevelopmentCoLtdMember |

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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 + Details
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