Phunware, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Debt - Narrative (Details)

Debt - Narrative (Details) - USD ($)					1 Months Ended			3 Months Ended			9 Months Ended
Debt - Narrative (Details) - USD ($)	Oct. 27, 2021	Apr. 05, 2021	Jul. 15, 2020	Apr. 10, 2020	Mar. 31, 2021	Oct. 31, 2019	Apr. 30, 2019	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Oct. 22, 2021	Feb. 28, 2021	Dec. 31, 2020	Apr. 09, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Original issue discount								$ 0			$ 0				$ 1,029,000
Repayments of debt									$ 11,507,000
Loss on extinguishment of debt								0		$ 950,000	7,952,000	$ 1,031,000
Payments of convertible debt											25,116,000	$ 3,948,000
Total debt								$ 1,127,000			$ 1,127,000				$ 10,071,000
Class of warrant or right, outstanding (in shares)								7,676,112			7,676,112				5,996,112
Cane Capital, LLC
Debt Instrument [Line Items]
Principal amount of note																	$ 195,000
Warrants
Debt Instrument [Line Items]
Warrant, term			3 years
Class of warrant or right, outstanding (in shares)			2,160,000											3,840,000
Warrants \| Common Stock
Debt Instrument [Line Items]
Exercise price per share (in dollars per share)			$ 4.00											$ 2.25
Warrants \| Common Stock \| Subsequent Event
Debt Instrument [Line Items]
Exercise price per share (in dollars per share)													$ 2.25
Convertible notes
Debt Instrument [Line Items]
Proceeds from issuance of debt			$ 1,751,000
Subsequent placement optional redemption, maximum net proceeds from placement (as a percent)			40.00%
Loss on extinguishment of debt									5,717,000
Total debt								$ 222,000			$ 222,000				$ 250,000
Participation rights period			2 years
Maximum amount of securities sold in equity offerings (as a percent)			30.00%
Interest rate (as a percent)								7.00%			7.00%
Value of notes							$ 20,000,000
Conversion price (in dollars per share)								$ 11.50			$ 11.50
Convertible notes \| Subsequent Event
Debt Instrument [Line Items]
Extinguishment of debt, amount	$ 222,000
Notes Payable to Banks
Debt Instrument [Line Items]
Loan proceeds				$ 2,850,000
Interest rate (as a percent)																0.98%
Senior Convertible Notes Payable
Debt Instrument [Line Items]
Maximum amount of securities sold in equity offerings (as a percent)			30.00%
Promissory notes
Debt Instrument [Line Items]
Total debt								$ 905,000			$ 905,000				$ 905,000
Interest rate (as a percent)								10.00%			10.00%
Value of notes						$ 20,000,000
Minimum balance of interest payments period						1 year
Principal and unpaid accrued interest due and payable, period						60 months
Promissory notes \| Subsequent Event
Debt Instrument [Line Items]
Repayments of notes payable	$ 905,000
Series A Note \| Convertible notes
Debt Instrument [Line Items]
Principal amount of note			$ 4,320,000
Original issue discount			320,000
Series B Note \| Convertible notes
Debt Instrument [Line Items]
Principal amount of note			17,280,000
Original issue discount			1,280,000
Loss on extinguishment of debt		$ 2,184,000									$ 51,000
Payments of convertible debt		13,902,000
Total debt		$ 11,718,000
Investor Note \| Secured Debt
Debt Instrument [Line Items]
Principal amount of note			$ 16,000,000
Voluntary prepayment amount					$ 10,250,000
Proceeds from voluntary prepayment amount					10,250,000
Unrestricted original issue discount					$ 820,000				$ 820,000