XML 13 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document And Entity Information - shares
9 Months Ended
Sep. 30, 2021
Nov. 09, 2021
Document Information Line Items    
Entity Registrant Name Nxt-ID, Inc.  
Trading Symbol NXTD  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   8,896,479
Amendment Flag false  
Entity Central Index Key 0001566826  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Sep. 30, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-36616  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 46-0678374  
Entity Address, Address Line One 288 Christian Street  
Entity Address, Address Line Two Hangar C 2nd Floor  
Entity Address, City or Town Oxford  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06478  
City Area Code (203)  
Local Phone Number 266-2103  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes