| Cover | Nov. 17, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 17, 2022 |
| Entity Registrant Name | PHUNWARE, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-37862 |
| Entity Tax Identification Number | 30-1205798 |
| Entity Address, Address Line One | 1002 West Avenue |
| Entity Address, City or Town | Austin |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 78701 |
| City Area Code | 512 |
| Local Phone Number | 693-4199 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001665300 |
| Amendment Flag | false |
| Common Stock, par value $0.0001 per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | PHUN |
| Security Exchange Name | NASDAQ |
| Warrants to purchase one share of Common Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants to purchase one share of Common Stock |
| Trading Symbol | PHUNW |
| Security Exchange Name | NASDAQ |
