Document and Entity Information - shares
 3 Months Ended
May 31, 2019
Jul. 08, 2019
Document And Entity Information    
Entity Registrant Name Loop Industries, Inc.  
Entity Central Index Key 0001504678  
Document Type 10-Q  
Document Period End Date May 31, 2019  
Amendment Flag false  
Current Fiscal Year End Date --02-29  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   39,012,531
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2020  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Shell Company false