Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.19.2
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
Jun. 01, 2019
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Trading Symbol SONM  
Entity Registrant Name SONIM TECHNOLOGIES INC  
Entity Central Index Key 0001178697  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Small Business true  
Entity Common Stock, Shares Outstanding   20,326,944
Entity Current Reporting Status No  
Entity Shell Company false  
Entity Address, State or Province CA