v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 14, 2026
Jul. 31, 2026
Document Type 10-Q    
Amendment Flag false    
Document Quarterly Report true    
Document Transition Report false    
Document Period End Date Jun. 30, 2026    
Document Fiscal Period Focus Q2    
Document Fiscal Year Focus 2026    
Current Fiscal Year End Date --12-31    
Entity File Number 001-42494    
Entity Registrant Name CLOUDASTRUCTURE, INC.    
Entity Central Index Key 0001709628    
Entity Tax Identification Number 87-0690564    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 3000 El Camino Real    
Entity Address, Address Line Two Bldg 4    
Entity Address, Address Line Three Ste 200.    
Entity Address, City or Town Palo Alto    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94306    
City Area Code 650    
Local Phone Number 644-4160    
Title of 12(b) Security Class A Common Stock    
Trading Symbol CSAI    
Security Exchange Name NASDAQ    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Elected Not To Use the Extended Transition Period false    
Entity Shell Company false    
Common Class A [Member]      
Entity Common Stock, Shares Outstanding   867,282  
Common Class B [Member]      
Entity Common Stock, Shares Outstanding     190