Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Parenthetical) (Details)

v2.4.1.9
Long-Term Debt (Parenthetical) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Feb. 18, 2015
Dec. 31, 2014
Jun. 05, 2012
Debt Instrument [Line Items]        
Percentage of interest payable on maturity date   10.00%us-gaap_DebtInstrumentInterestRateStatedPercentage 10.00%us-gaap_DebtInstrumentInterestRateStatedPercentage 10.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
Secured debenture payable to Workhorse Custom Chassis due on March 2016 [Member]        
Debt Instrument [Line Items]        
Percentage of interest payable on maturity date 10.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= wkhs_SecuredDebenturePayableToWorkhorseCustomChassisDueOnMarch2016Member
     
Net book value of note secured by equipment $ 3,893,345us-gaap_SecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= wkhs_SecuredDebenturePayableToWorkhorseCustomChassisDueOnMarch2016Member
     
Notes payable to banks due on August 2015 [Member]        
Debt Instrument [Line Items]        
Monthly installments of note payable 635us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToBanksDueOnAugust2015Member
     
Percentage of interest payable on maturity date 5.04%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToBanksDueOnAugust2015Member
     
Net book value of note secured by equipment 2,792us-gaap_SecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToBanksDueOnAugust2015Member
     
Notes payable to vendor due December 2014 [Member]        
Debt Instrument [Line Items]        
Monthly installments of note payable 439us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToVendorDueOnDecember2014Member
     
Percentage of interest payable on maturity date 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToVendorDueOnDecember2014Member
     
Notes payable to city of Loveland due on October 2016 [Member]        
Debt Instrument [Line Items]        
Annual installments of notes payable $ 10,241us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToCityOfLovelandDueOnOctober2016Member
     
Percentage of interest payable on maturity date 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= wkhs_NotesPayableToCityOfLovelandDueOnOctober2016Member