Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2017
Aug. 14, 2017
Registrant Name SIGMA LABS, INC.  
Registrant CIK 0000788611  
SEC Form 10-Q  
Period End date Sep. 30, 2017  
Fiscal Year End --12-31  
Trading Symbol sglb  
Tax Identification Number (TIN) 271865814  
Number of common stock shares outstanding   4,718,651
Filer Category Smaller Reporting Company  
Current with reporting Yes  
Voluntary filer No  
Well-known Seasoned Issuer No  
Amendment Flag false  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Entity Incorporation, State Country Name Nevada  
Entity Address, Address Line One 3900 Paseo del Sol  
Entity Address, City or Town Santa Fe  
Entity Address, State or Province NM  
Entity Address, Postal Zip Code 87507  
City Area Code 505  
Local Phone Number 438-2576