Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.20.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2020
May 05, 2020
Document and Entity Information    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Entity Registrant Name 22nd Century Group, Inc.  
Entity Central Index Key 0001347858  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Trading Symbol XXII  
Entity Common Stock, Shares Outstanding   138,854,193
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Shell Company false