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WARRANTS (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Apr. 21, 2010	Jan. 10, 2012
Warrants [Line Items]
Class of Warrant or Right, Outstanding	551,380us-gaap_ClassOfWarrantOrRightOutstanding
Institutional Investors [Member]
Warrants [Line Items]
Warrants Issued for Services	220,410dhrm_WarrantsIssuedForServices / dei_LegalEntityAxis = dhrm_InstitutionalInvestorsMember
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share)	$ 11.86us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice / dei_LegalEntityAxis = dhrm_InstitutionalInvestorsMember
Stock Issued During Period, Shares, New Issues	734,700us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = dhrm_InstitutionalInvestorsMember
Share Price	$ 9.12us-gaap_SharePrice / dei_LegalEntityAxis = dhrm_InstitutionalInvestorsMember
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 11.86us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / dei_LegalEntityAxis = dhrm_InstitutionalInvestorsMember
Warrant Expiration Term	3 years 6 months
FT Global Capital [Member]
Warrants [Line Items]
Warrants Issued for Services	73,470dhrm_WarrantsIssuedForServices / dei_LegalEntityAxis = dhrm_FtGlobalCapitalMember
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 11.86us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / dei_LegalEntityAxis = dhrm_FtGlobalCapitalMember
Warrant Expiration Term	3 years 6 months
Hawk Associates Inc [Member]
Warrants [Line Items]
Warrants Issued for Services		7,500dhrm_WarrantsIssuedForServices / us-gaap_StatementEquityComponentsAxis = dhrm_HawkAssociatesIncMember
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 9.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementEquityComponentsAxis = dhrm_HawkAssociatesIncMember
Warrant Expiration Term	5 years
Anderson Strudwick Incorporated [Member]
Warrants [Line Items]
Warrants Issued for Services		150,000dhrm_WarrantsIssuedForServices / us-gaap_StatementEquityComponentsAxis = dhrm_AndersonStrudwickIncorporatedMember
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 10.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementEquityComponentsAxis = dhrm_AndersonStrudwickIncorporatedMember
Warrant Expiration Term	5 years
Firs Trust Group, Inc [Member]
Warrants [Line Items]
Warrants Issued for Services			100,000dhrm_WarrantsIssuedForServices / us-gaap_StatementEquityComponentsAxis = dhrm_FirsTrustGroupIncMember
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 4.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementEquityComponentsAxis = dhrm_FirsTrustGroupIncMember
Warrant Expiration Term	5 years

X

- Definition

Expiration period of warrants.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of warrants or rights outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

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- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

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- Definition

Number of new stock issued during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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