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ADVANCES TO SUPPLIERS - THIRD PARTIES, NET (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
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Schedule Of Advance To Suppliers [Line Items] |  |
Advances to suppliers - third parties | $ 4,885,455 | $ 10,739,923
Less: allowance for doubtful accounts | (4,254,143) | (8,897,750)
Total advances to suppliers - third parties | 631,312 | 1,842,173
Less: advances to suppliers - third parties held for discontinued operations | (33,217) | (238,607)
Advances to suppliers - third party held for continuing operations | $ 598,095 | $ 1,603,566

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- Definition Advance to suppliers third party with in one year ,gross carrying value as of balance sheet date. + References No definition available. + Details
Name: | dhrm_AdvanceToSuppliesGrossCurrent
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Advance to suppliers third party with in one year ,net carrying value as of balance sheet date from discontinued operations. + References No definition available. + Details
Name: | dhrm_AdvanceToSuppliesHeldFromDiscountingOperations
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Net advance to suppliers third party after allowances including discontinued operations. + References No definition available. + Details
Name: | dhrm_AdvanceToSuppliesNetIncludingDiscontinuedOperations
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Allowances for doubtful accounts in advance to suppliers third party with in one year as of balance sheet date. + References No definition available. + Details
Name: | dhrm_AllowanceForDoubtfulAccountsInAdvanceToSuppliesCurrent
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | dhrm_ScheduleOfAdvanceToSuppliersLineItems
Namespace Prefix: | dhrm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (g)(7) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6787-107765 + Details
Name: | us-gaap_Supplies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant