Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
3 Months Ended
Mar. 31, 2023
Apr. 30, 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 001-38907  
Entity Registrant Name Sonim Technologies, Inc.  
Entity Central Index Key 0001178697  
Entity Tax Identification Number 94-3336783  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 4445 Eastgate Mall  
Entity Address, Address Line Two Suite 200  
Entity Address, City or Town San Diego  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92121  
City Area Code (650)  
Local Phone Number 378-8100  
Title of 12(b) Security Common Stock par value $0.001 per share  
Trading Symbol SONM  
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  
Entity Common Stock, Shares Outstanding   40,995,430