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v2.4.1.9

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

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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 + Details
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