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TAX RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2012

Tax Receivable [Abstract]

Schedule of Tax Receivable [Table Text Block]

Tax receivable consists of the following:

		December 31,				December 31,
		2012				2011
		US$				US$
Value added tax receivable			328,208				888,452

X

- Definition

Tabular disclosure of tax receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	dhrm_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dhrm_TaxReceivableAbstract
Namespace Prefix:	dhrm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration