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COMMITMENTS AND CONTINGENCY (Details Textual) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Other Commitments [Line Items] |  |  |
Operating Leases, Future Minimum Payments Due, Current | $ 92,923 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent |  |
Operating Leases, Rent Expense | 94,590 us-gaap_LeaseAndRentalExpense | 136,784 us-gaap_LeaseAndRentalExpense | 124,373 us-gaap_LeaseAndRentalExpense
Contingency, Description | The Labor Contract Law of the Peoples Republic of China requires employers to assure the liability of the severance payments if employees are terminated and have been working for the employers for at least two years prior to January 1, 2008. |  |
Expected Severance Cost | $ 376,870 dhrm_ExpectedSeveranceCost | $ 336,341 dhrm_ExpectedSeveranceCost |
Management Employees [Member] |  |  |
Other Commitments [Line Items] |  |  |
Employment Contracts Terms | 3 years |  |
Non Management Employees [Member] |  |  |
Other Commitments [Line Items] |  |  |
Employment Contracts Terms | 1 year |  |

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- Definition Expected charge against earnings in the period for known and estimated costs of termination benefits provided to current employees. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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