XML 26 R47.htm IDEA: XBRL DOCUMENT
v2.4.0.8

EQUITY (Details) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Option Indexed to Issuers Equity [Line Items] |  |
Balance - beginning of year | $ 76,260 | $ 75,489
Addition to statutory reserves | (2,257) | 771
Balance -end of period | $ 74,003 | $ 76,260

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

X
- Details
Name: | us-gaap_OptionIndexedToIssuersEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration