Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.7.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Mar. 30, 2017
Jun. 30, 2016
Document And Entity Information      
Entity Registrant Name QS ENERGY, INC.    
Entity Central Index Key 0001103795    
Document Type 10-K    
Document Period End Date Dec. 31, 2016    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Is Entity a Well-known Seasoned Issuer? No    
Is Entity a Voluntary Filer? No    
Is Entity's Reporting Status Current? Yes    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   200,226,426  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2016    
Entity Public Float     $ 30,752,000