Quarterly report pursuant to Section 13 or 15(d)

Cover

v3.23.1
Cover - shares
 3 Months Ended
Mar. 31, 2023
May 08, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2023  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --12-31  
Entity File Number 0-29185  
Entity Registrant Name QS ENERGY, INC.  
Entity Central Index Key 0001103795  
Entity Tax Identification Number 52-2088326  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 23902 FM 2978  
Entity Address, City or Town Tomball  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77375  
City Area Code (775)  
Local Phone Number 300-7647  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   385,447,792