XML 17 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2016
Aug. 10, 2016
Document and Entity Information:    
Entity Registrant Name SIGMA LABS, INC.  
Document Type 10-Q  
Document Period End Date Jun. 30, 2016  
Trading Symbol sglb  
Amendment Flag false  
Entity Central Index Key 0000788611  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   6,267,577
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 2016  
Document Fiscal Period Focus Q2