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PROPERTY AND EQUIPMENT, NET (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Buildings	$ 1,384,609us-gaap_BuildingsAndImprovementsGross	$ 1,405,723us-gaap_BuildingsAndImprovementsGross
Land use rights	316,289dhrm_LandUseRights	321,112dhrm_LandUseRights
Plant and machinery	5,114,148dhrm_PlantAndMachinery	3,282,641dhrm_PlantAndMachinery
Automobiles	193,930dhrm_Automobiles	44,987dhrm_Automobiles
Office and computer equipment	447,619us-gaap_PropertyPlantAndEquipmentOther	438,843us-gaap_PropertyPlantAndEquipmentOther
Property, Plant and Equipment, Gross	7,456,595us-gaap_PropertyPlantAndEquipmentGross	5,493,306us-gaap_PropertyPlantAndEquipmentGross
Less: Accumulated depreciation and amortization	(2,782,929)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	(2,329,241)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net	$ 4,673,666us-gaap_PropertyPlantAndEquipmentNet	$ 3,164,065us-gaap_PropertyPlantAndEquipmentNet

X

- Definition

Gross Value of Automobiles as of Balance Sheet date.

+ References

No definition available.

+ Details

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

X

- Definition

Gross Value of land use rights as of Balance Sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	dhrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

Gross Value of Plant and Machinery as of Balance Sheet date.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

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X

- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

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

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-Paragraph 1

-Subparagraph (b)

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X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

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X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.

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