Description about the agreements.

No definition available.

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- Definition

The number of non-vested equity-based payment instruments, stock (or unit) options, that validly exist and are issued or outstanding as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	dhrm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsNonvestedNumber
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- Definition

The weighted average price as of the balance sheet date for issued stock options which are in the customized range of exercise prices.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The number of shares issued under stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

No definition available.

+ Details

Name:	dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions
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- Definition

It represents certain percentage of profit to be maintain as Statutory Surplus Reserve.

+ References

No definition available.

+ Details

Name:	dhrm_StatutorySurplusReserveAppropriations
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- Definition

Maximum percentage of statutory surplus reserve.

+ References

No definition available.

+ Details

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Namespace Prefix:	dhrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the rate statutory surplus reserve.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Represents the minimum rate of statutory surplus reserve required .

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Fair value of unregistered common stock issued.

+ References

No definition available.

+ Details

Name:	dhrm_UnregisteredCommonStocksFairValueIssued
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of shares, attributable to the equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

+ Details

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Period Type:	duration

EQUITY (Details Textual) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
EQUITY (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 29, 2011	Mar. 08, 2011 Investment Relations Firm [Member]	Nov. 16, 2011 Consulting Firm [Member]	Apr. 05, 2012 Independent Contractor [Member]	Jan. 09, 2012 Independent Contractor [Member]
Agreement Description					the Company entered into five-year agreements with its employees and directors.
Unregistered Common Stock Share Issued							10,000	50,000	5,000	5,000
Unregistered Common Stocks Fair Value Issued (in dollars)							$ 59,300	$ 84,250	$ 12,000	$ 11,000
Statutory Surplus Reserve Minimum Percentage	10.00%		10.00%
Statutory Surplus Reserve Maximum Percentage	50.00%		50.00%
Statutory Surplus Reserve Required Minimum Percentage	25.00%		25.00%
Statutory Surplus Reserve Appropriations			10.00%
Share Based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Number Of Issued Options						450,000
Share Based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Issued Options Weighted Average Exercise Price (in dollars per share)						$ 1.45
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Options Nonvested Number						450,000
Allocated Share-based Compensation Expense	$ 27,390	$ 0	$ 54,780	$ 0