Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

Commitments and Contingencies (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Commitments and Contingencies [Abstract]    
Rent expense $ 37,557us-gaap_LeaseAndRentalExpense $ 22,470us-gaap_LeaseAndRentalExpense
Term of lease 60 months  
Area of office and manufacturing space 5,533drne_AreaOfOfficeAndManufacturingSpace  
Recovery of defendant legal fees 400,000drne_LossContingencyRecoveryOfDefendantLegalFees  
Operating expenses and sales tax $ 5,915us-gaap_OperatingExpenses