Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 09, 2022
Jun. 30, 2020
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Entity File Number 001-38608    
Entity Registrant Name Summit Wireless Technologies, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 30-1135279    
Entity Address, Address Line One 15268 NW Greenbrier Pkwy    
Entity Address, City or Town Beaverton    
Entity Address, State or Province OR    
Entity Address, Postal Zip Code 97006    
City Area Code 408    
Local Phone Number 627-4716    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol WISA    
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    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   16,877,796  
Entity Public Float     $ 16,478,122
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Central Index Key 0001682149    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name BPM LLP    
Auditor Firm ID 207    
Auditor Location San Jose, California