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v3.5.0.2

OTHER RECEIVABLES, NET (Details 1) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Other Receivables [Line Items] |  |
Beginning balance | $ 2,423,770 | $ 598,747
Addition | 151,376 | 1,825,820
Less: write-off | (157,208) | 0
Exchange rate effect | (94,001) | (797)
Ending balance | 2,323,937 | 2,423,770
Discontinued Operations [Member] |  |
Other Receivables [Line Items] |  |
Beginning balance | (1,797,835) |
Ending balance | (1,701,264) | (1,797,835)
Continuing Operations [Member] |  |
Other Receivables [Line Items] |  |
Beginning balance | 625,935 |
Ending balance | $ 622,673 | $ 625,935

X
- Definition Amount of increase (decrease) in the allowance for doubtful other receivables. + References No definition available. + Details
Name: | dhrm_AllowanceForDoubtfulOtherReceivableTranslationAdjustments
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of direct write-downs of other receivable charged against the allowance. + References No definition available. + Details
Name: | dhrm_AllowanceForDoubtfulOtherReceivableWriteoffs
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of expense related to write-down of Other receivables to the amount expected to be collected. + References No definition available. + Details
Name: | dhrm_ProvisionForDoubtfulOtherReceivables
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A valuation allowance for doubtful other receivables due to an entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible and not separately disclosed. + References No definition available. + Details
Name: | us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentContinuingOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |