Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
3 Months Ended
Mar. 31, 2021
Apr. 30, 2021
Cover [Abstract]    
Entity Registrant Name TELKONET INC  
Entity Central Index Key 0001094084  
Document Type 10-Q  
Document Period End Date Mar. 31, 2021  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity's Reporting Status Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   136,311,335
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2021  
Entity Emerging Growth false  
Entity Small Business true  
Entity Shell Company false  
Entity FIle Number 001-31972  
Entity Interactive data current Yes  
Entity Incorporation State UT