Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Apr. 05, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag true    
Amendment Description This Amendment No. 1 on Form 10-K/A (this “Amendment”) amends Sonim Technologies, Inc.’s Annual Report on Form 10-K for the fiscal year ended December 31, 2023, originally filed with the U.S. Securities and Exchange Commission (the “SEC”) on March 27, 2024 (the “Original Form 10-K”). We are filing this Amendment pursuant to General Instruction G(3) of Form 10-K, as we currently expect that our definitive proxy statement for the 2024 annual meeting of stockholders will be filed later than the 120th day after the end of the last fiscal year. Accordingly, this Amendment is being filed solely to:    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Period Focus FY    
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 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     $ 23.1
Entity Common Stock, Shares Outstanding   43,206,083  
Documents Incorporated by Reference None    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 659    
Auditor Name Moss Adams LLP    
Auditor Location Campbell, California