XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
May 15, 2019
Document And Entity Information    
Entity Registrant Name Envision Solar International, Inc.  
Entity Central Index Key 0001398805  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Ex Transition Period false  
Entity Common Stock, Shares Outstanding   4,910,380
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2019