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v2.4.0.6

EQUITY (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Balance - beginning of year | $ 74,469 | $ 72,226
Addition to statutory reserves | 1,020 | 2,243
Balance - end of year | $ 75,489 | $ 74,469

X
- Definition Additions made to statutory surplus reserve of the company during the period. + References No definition available. + Details
Name: | dhrm_StatutoryReserveAddition
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of statutory surplus reserve of the company during the period. + References No definition available. + Details
Name: | dhrm_StatutorySurplusReserve
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant