XML 33 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6

PROPERTY AND EQUIPMENT, NET (Details Textual)	12 Months Ended					12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2012 CNY	Dec. 31, 2011 CNY	Dec. 31, 2002 CNY	Dec. 31, 2012 Property, Plant and Equipment [Member] USD ($)	Dec. 31, 2011 Property, Plant and Equipment [Member] USD ($)
Depreciation and amortization	$ 552,086	$ 450,518				$ 471,727	$ 450,518
Building Pledged as Collateral	2,407,200	1,585,890	15,000,000	10,000,000
Land Use Rights Purchase Price					1,944,000

X

- Definition

Carrying amount as of the balance sheet date of Buildings that have been pledged as collateral for borrowings.

+ References

No definition available.

+ Details

Name:	dhrm_BuildingPledgedAsCollateral
Namespace Prefix:	dhrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The purchase price of land use rights.

+ References

No definition available.

+ Details

Name:	dhrm_LandUseRightsPurchasePrice
Namespace Prefix:	dhrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

+ Details

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration