XML 12 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Cover - shares
 9 Months Ended
Sep. 30, 2021
Nov. 26, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Transition Report false  
Entity File Number 001-40960  
Entity Registrant Name Arteris, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 27-0117058  
Entity Address, Address Line One 595 Millich Dr.  
Entity Address, Address Line Two Suite 200  
Entity Address, City or Town Campbell  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 95008  
City Area Code 408  
Local Phone Number 470-7300  
Title of 12(b) Security Class A common stock, $0.001 par value  
Trading Symbol AIP  
Security Exchange Name NASDAQ  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   31,254,895
Entity Central Index Key 0001667011  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Current Fiscal Year End Date --12-31