v3.26.3
Cover - shares
6 Months Ended
Jun. 30, 2026
Sep. 30, 2026
Cover [Abstract]    
Entity Registrant Name SolarMax Technology, Inc.  
Entity Central Index Key 0001519472  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Current Reporting Status Yes  
Document Period End Date Jun. 30, 2026  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Entity Ex Transition Period false  
Entity Common Stock Shares Outstanding   4,742,167
Document Transition Report false  
Entity File Number 001-41959  
Entity Incorporation State Country Code NV  
Entity Tax Identification Number 26-2028786  
Entity Address Address Line 1 3080 12th Street  
Entity Address City Or Town Riverside  
Entity Address State Or Province CA  
Entity Address Postal Zip Code 92507  
City Area Code 951  
Local Phone Number 300-0788  
Security 12b Title Common Stock, par value $0.001 per share  
Trading Symbol SMXT  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes  
Document Quarterly Report true