Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Dec. 31, 2022
Mar. 20, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2022    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2022    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 10,575,418
Entity Common Stock, Shares Outstanding   40,995,430  
Documents Incorporated by Reference [Text Block] Certain information required by Part III, Items 10-14 of this Form 10-K will either be (i) included in an amendment to this Annual Report on Form 10-K, or (ii) incorporated by reference to the Registrant’s definitive Proxy Statement for the 2023 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission not later than 120 days after the end of the fiscal year covered by this Form 10-K    
ICFR Auditor Attestation Flag false    
Auditor Name Moss Adams LLP    
Auditor Location Campbell, California    
Auditor Firm ID 659