Phunware, Inc. Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Calculated Aggregate Fair Values and Assumptions (Details) - Warrants	Dec. 31, 2022 $ / shares	Dec. 31, 2021 $ / shares	Jul. 15, 2020
Class of Warrant or Right [Line Items]
Warrant, term			3 years
Strike price per share
Class of Warrant or Right [Line Items]
Warrant liability, measurement input	1.42	2.25
Closing price per share
Class of Warrant or Right [Line Items]
Warrant liability, measurement input	0.77	2.63
Term (years)
Class of Warrant or Right [Line Items]
Warrant, term	6 months 10 days	1 year 6 months 10 days
Volatility
Class of Warrant or Right [Line Items]
Warrant liability, measurement input	1.02	1.86
Risk-free rate
Class of Warrant or Right [Line Items]
Warrant liability, measurement input	0.0470	0.0056
Dividend Yield
Class of Warrant or Right [Line Items]
Warrant liability, measurement input	0	0