Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
3 Months Ended
Mar. 31, 2017
May 15, 2017
Document and Entity Information:    
Entity Registrant Name SIGMA LABS, INC.  
Document Type 10-Q  
Document Period End Date Mar. 31, 2017  
Trading Symbol sglb  
Amendment Flag false  
Entity Central Index Key 0000788611  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   4,570,199
Entity Filer Category Smaller Reporting Company  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1