Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Jul. 31, 2019
Document and Entity Information [Abstract]    
Document Type 10-Q/A  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2019  
Document Transition Report false  
Entity File Number 000-53704  
Entity Registrant Name WORKHORSE GROUP INC.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 26-1394771  
Entity Address, Address Line One 100 Commerce Drive  
Entity Address, City or Town Loveland  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 45140  
City Area Code 844  
Local Phone Number 937-9547  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol WKHS  
Entity Common Stock, Shares Outstanding   66,186,447
Entity Central Index Key 0001425287  
Amendment Flag true  
Amendment Description Update for to previously filed information for warrants  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2