v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 01, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Entity Registrant Name ARXIS, INC.  
Entity Central Index Key 0002093536  
Entity File Number 001-43234  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 39-5113483  
Entity Address, Address Line One 1332 Blue Hills Avenue  
Entity Address, City or Town Bloomfield  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06002  
City Area Code 860  
Local Phone Number 243-7100  
Title of 12(b) Security Class A common stock, $0.01 par value per share  
Trading Symbol ARXS  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   69,657,950
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   340,676,783
Class C Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Convertible Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1