XML 86 R66.htm IDEA: XBRL DOCUMENT
v2.4.1.9

EQUITY (Details Textual) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Feb. 21, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Oct. 22, 2014 | Aug. 20, 2014 | Aug. 16, 2014 | May 29, 2014 | Apr. 08, 2014 | Jan. 11, 2014 | Dec. 29, 2013 | Oct. 10, 2013 | Oct. 07, 2013 | Dec. 29, 2011 | Mar. 08, 2011 | Nov. 16, 2011 | Apr. 24, 2014 | Jan. 15, 2014 | Nov. 14, 2013
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Surplus Reserve, Minimum, Percentage | 10.00%dhrm_StatutorySurplusReserveMinimumPercentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Surplus Reserve, Maximum, Percentage | 50.00%dhrm_StatutorySurplusReserveMaximumPercentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Surplus Reserve, Required Minimum, Percentage | 25.00%dhrm_StatutorySurplusReserveRequiredMinimumPercentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Surplus Reserve, Appropriations | 10.00%dhrm_StatutorySurplusReserveAppropriations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Number of Issued Options |  |  |  |  | 100,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions | 131,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions | 11,975 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions |  |  |  |  | 94,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions | 94,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions | 450,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions |  |  |  |  |
Share-based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Issued Options Weighted Average Exercise Price (in dollars per share) |  |  |  |  |  | $ 5.31 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeIssuedOptionsWeightedAverageExercisePrice |  |  |  |  |  |  | $ 2.30 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeIssuedOptionsWeightedAverageExercisePrice | $ 1.45 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeIssuedOptionsWeightedAverageExercisePrice |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award Equity Instruments Options Nonvested Number | 328,200 dhrm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsNonvestedNumber |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Value |  |  |  |  | $ 531,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeValue | $ 674,570 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeValue | $ 72,808 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeValue |  |  |  |  | $ 209,574 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeValue |  |  |  |  |  |  |
Share based compensation shares issued on exercise of options |  |  |  |  |  |  |  | 4,000 dhrm_ShareBasedCompensationSharesIssuedOnExerciseOfOptions | 62,000 dhrm_ShareBasedCompensationSharesIssuedOnExerciseOfOptions | 68,000 dhrm_ShareBasedCompensationSharesIssuedOnExerciseOfOptions | 8,000 dhrm_ShareBasedCompensationSharesIssuedOnExerciseOfOptions |  |  |  |  |  |  |  |
Security Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants issued during period |  | 220,410 dhrm_WarrantsIssuedDuringPeriod / dhrm_AgreementAxis = dhrm_SecurityPurchaseAgreementMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Number of Shares Issued in Transaction |  | 734,700 us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction / dhrm_AgreementAxis = dhrm_SecurityPurchaseAgreementMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Price Per Share |  | $ 9.12 us-gaap_SaleOfStockPricePerShare / dhrm_AgreementAxis = dhrm_SecurityPurchaseAgreementMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Consideration Received Per Transaction |  | 6,100,000 us-gaap_SaleOfStockConsiderationReceivedPerTransaction / dhrm_AgreementAxis = dhrm_SecurityPurchaseAgreementMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Warrants, Exercise Price |  | $ 11.86 invest_InvestmentWarrantsExercisePrice / dhrm_AgreementAxis = dhrm_SecurityPurchaseAgreementMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Security Purchase Agreement [Member] | Placement Agent Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants |  | 73,470 us-gaap_StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants / dhrm_AgreementAxis = dhrm_SecurityPurchaseAgreementMember / us-gaap_SubsidiarySaleOfStockAxis = dhrm_PlacementAgentWarrantMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Stock Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense | 160,613 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_OptionIndexedToIssuersEquityEquityAxis = us-gaap_EmployeeStockOptionMember |  | 94,271 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_OptionIndexedToIssuersEquityEquityAxis = us-gaap_EmployeeStockOptionMember | 110,163 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_OptionIndexedToIssuersEquityEquityAxis = us-gaap_EmployeeStockOptionMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Relations Firm [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unregistered Common Stock Share Issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 dhrm_UnregisteredCommonStockShareIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentRelationsFirmMember |  |  |  |
Unregistered Common Stocks Fair Value Issued (in dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 59,300 dhrm_UnregisteredCommonStocksFairValueIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentRelationsFirmMember |  |  |  |
Consulting Firm [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unregistered Common Stock Share Issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 dhrm_UnregisteredCommonStockShareIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_ConsultingFirmMember |  |  |
Unregistered Common Stocks Fair Value Issued (in dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 84,250 dhrm_UnregisteredCommonStocksFairValueIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_ConsultingFirmMember |  |  |
Independent Contractor 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unregistered Common Stock Share Issued |  |  |  | 60,000 dhrm_UnregisteredCommonStockShareIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_IndependentContractorMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unregistered Common Stocks Fair Value Issued (in dollars) |  |  |  | 109,000 dhrm_UnregisteredCommonStocksFairValueIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_IndependentContractorMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Counseling And Financial Advisory Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuers Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unregistered Common Stock Share Issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40,000 dhrm_UnregisteredCommonStockShareIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember | 40,000 dhrm_UnregisteredCommonStockShareIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember | 40,000 dhrm_UnregisteredCommonStockShareIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember
Unregistered Common Stocks Fair Value Issued (in dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 145,600 dhrm_UnregisteredCommonStocksFairValueIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember | 145,600 dhrm_UnregisteredCommonStocksFairValueIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember | 145,600 dhrm_UnregisteredCommonStocksFairValueIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember
Share-based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Number of Issued Options |  |  |  |  | 80,000 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeNumberOfIssuedOptions / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Shares Issued Under Stock Option Plans Exercise Price Range Value |  |  |  |  | $ 352,800 dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeValue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- 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
Namespace Prefix: | dhrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition stock issued as a result of the exercise of stock options. + References No definition available. + Details
Name: | dhrm_ShareBasedCompensationSharesIssuedOnExerciseOfOptions
Namespace Prefix: | dhrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeIssuedOptionsWeightedAverageExercisePrice
Namespace Prefix: | dhrm_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- 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
Namespace Prefix: | dhrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The value of stock options issued to the employee. + References No definition available. + Details
Name: | dhrm_ShareBasedCompensationSharesIssuedUnderStockOptionPlansExercisePriceRangeValue
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition It represents certain percentage of profit to be maintain as Statutory Surplus Reserve. + References No definition available. + Details
Name: | dhrm_StatutorySurplusReserveAppropriations
Namespace Prefix: | dhrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of statutory surplus reserve. + References No definition available. + Details
Name: | dhrm_StatutorySurplusReserveMaximumPercentage
Namespace Prefix: | dhrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the rate statutory surplus reserve. + References No definition available. + Details
Name: | dhrm_StatutorySurplusReserveMinimumPercentage
Namespace Prefix: | dhrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the minimum rate of statutory surplus reserve required . + References No definition available. + Details
Name: | dhrm_StatutorySurplusReserveRequiredMinimumPercentage
Namespace Prefix: | dhrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of unregistered common stock issued. + References No definition available. + Details
Name: | dhrm_UnregisteredCommonStocksFairValueIssued
Namespace Prefix: | dhrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares, attributable to the equity method investment of the entity. + References No definition available. + Details
Name: | dhrm_UnregisteredCommonStockShareIssued
Namespace Prefix: | dhrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants issued the period. + References No definition available. + Details
Name: | dhrm_WarrantsIssuedDuringPeriod
Namespace Prefix: | dhrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price of the warrants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column A + Details
Name: | invest_InvestmentWarrantsExercisePrice
Namespace Prefix: | invest_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- 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 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: 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=27013229&loc=d3e301413-122809 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_OptionIndexedToIssuersEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedPerTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Value of preferred stock and warrants for common stock issued. + References No definition available. + Details
Name: | us-gaap_StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | dhrm_AgreementAxis=dhrm_SecurityPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OptionIndexedToIssuersEquityEquityAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=dhrm_ConsultingFirmMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=dhrm_IndependentContractorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=dhrm_InvestmentCounselingAndFinancialAdvisoryServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=dhrm_InvestmentRelationsFirmMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |