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COMMITMENTS AND CONTINGENCY (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Other Commitments [Line Items]      
Operating Leases, Future Minimum Payments Due, Current $ 92,923us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
Operating Leases, Rent Expense 94,590us-gaap_LeaseAndRentalExpense 136,784us-gaap_LeaseAndRentalExpense 124,373us-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 $ 376,870dhrm_ExpectedSeveranceCost $ 336,341dhrm_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