Annual report pursuant to Section 13 and 15(d)


12 Months Ended
Dec. 31, 2020
Mar. 23, 2021
Jun. 30, 2020
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-37862    
Entity Registrant Name PHUNWARE, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 30-1205798    
Entity Address, Address Line One 7800 Shoal Creek Blvd    
Entity Address, Address Line Two Suite 230-S    
Entity Address, City or Town Austin    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 78757    
City Area Code 512    
Local Phone Number 693-4199    
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    
Entity Ex Transition Period false    
Entity Shell Company false    
Entity Public Float     $ 44,457,382
Entity Common Stock, Shares Outstanding   71,211,399  
Documents Incorporated by Reference Portions of the information called for by Part III of this Annual Report on Form 10-K are incorporated by reference from the definitive proxy statement for the registrant's annual meeting of stockholders to be filed with the Securities and Exchange Commission within 120 days after the registrant's fiscal year ended December 31, 2020. Except with respect to information specifically incorporated by reference in this Annual Report on Form 10-K, the definitive proxy statement is not deemed to be filed as part hereof.    
Entity Central Index Key 0001665300    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020    
Common Stock      
Entity Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol PHUN    
Security Exchange Name NASDAQ    
Entity Information [Line Items]      
Title of 12(b) Security Warrants to purchase one share of Common Stock    
Trading Symbol PHUNW    
Security Exchange Name NASDAQ