Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Narrative (Details)

v3.23.3
Stock-Based Compensation - Narrative (Details)
 3 Months Ended 9 Months Ended 12 Months Ended 21 Months Ended
Jun. 03, 2024
Dec. 28, 2023
shares
Oct. 25, 2023
shares
Jun. 30, 2023
$ / shares
shares
Sep. 30, 2023
USD ($)
installment
$ / shares
shares
Jun. 30, 2023
$ / shares
shares
Mar. 31, 2023
$ / shares
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Jun. 01, 2026
annual
Dec. 31, 2022
$ / shares
shares
Dec. 28, 2025
quarter
Jan. 31, 2023
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Aggregate intrinsic value of options exercised | $         $ 16,000              
Restricted stock units                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of shares granted (in shares)               6,211,386        
Restricted stock units awards grant date fair value (in dollars per share) | $ / shares               $ 0.53        
Restricted stock units awards grant date fair value (in dollars per share) | $ / shares         $ 0.62     $ 0.62   $ 1.75    
Number of shares vested (in shares)               3,215,131        
Number of shares terminated (in shares)               578,574        
Restricted stock units | Team Members                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of shares granted (in shares)         3,533,000 323,000 1,921,000     372,704    
Restricted stock units awards grant date fair value (in dollars per share) | $ / shares       $ 0.60 $ 0.28 $ 0.60 $ 0.92 $ 0.28   $ 0.93    
Vesting of award (as a percent)             33.33%          
Restricted stock units | Consultant                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of shares granted (in shares)         61,682              
Phunware Inc 2023 Inducement Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Unrecognized stock compensation expense | $         $ 295,000     $ 295,000        
Weighed-average period of costs amortized               2 years 8 months 12 days        
Number of shares authorized (in shares)       600,000   600,000            
Phunware Inc 2023 Inducement Plan | Restricted stock units                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of shares granted (in shares)       600,000                
Restricted stock units awards grant date fair value (in dollars per share) | $ / shares       $ 0.54                
Phunware Inc 2023 Inducement Plan | Restricted stock units | Subsequent Event | Forecast                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Vesting of awards, number of installments | annual                 2      
Vesting of award (as a percent) 33.33%                      
Phunware Inc 2022 Inducement Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Unrecognized stock compensation expense | $         $ 958,000     $ 958,000        
Weighed-average period of costs amortized               2 years 2 months 12 days        
Phunware Inc 2022 Inducement Plan | Restricted stock units                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of shares authorized (in shares)                       1,470,588
Vesting of awards, number of installments | installment         3              
Restricted stock units awards grant date fair value (in dollars per share) | $ / shares                       $ 0.87
Phunware Inc 2022 Inducement Plan | Restricted stock units | Subsequent Event                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of shares vested (in shares)     500,000                  
Number of shares terminated (in shares)     470,588                  
Phunware Inc 2022 Inducement Plan | Restricted stock units | Subsequent Event | Vesting on November 30, 2023                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Unvested awards (in shares)     500,000                  
Phunware Inc 2022 Inducement Plan | Restricted stock units | Subsequent Event | Forecast                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Vesting of awards, number of installments | quarter                     8  
Number of shares vested (in shares)   490,196                    
Vesting of award (as a percent)   33.33%                    
2018 Stock Option and Incentive Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Unrecognized stock compensation expense | $         $ 2,830,000     $ 2,830,000        
Weighed-average period of costs amortized               2 years 4 months 24 days        
Issuance of common stock shares (in shares)               755,510        
Common stock reserved for issuance (in shares)         3,870,016     3,870,016   4,382,662    
2018 Employee Stock Purchase Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Unrecognized stock compensation expense | $         $ 124,000     $ 124,000        
Weighed-average period of costs amortized               1 year 8 months 12 days        
Common stock reserved for issuance (in shares)         1,528,745     1,528,745   802,893    
2009 Stock Option and Incentive Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Unrecognized stock compensation expense | $         $ 0     $ 0        
Weighed-average period of costs amortized               0 years