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Commitments and Contingencies - Narrative (Details) € in Thousands, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 16, 2023 USD ($) patent | Sep. 02, 2022 EUR (€) | Jun. 02, 2022 USD ($) | Dec. 13, 2021 USD ($) | Jul. 21, 2021 patent | Mar. 31, 2021 patent | Dec. 18, 2020 patent | Dec. 04, 2020 patent | Sep. 30, 2020 patent | Jan. 10, 2020 USD ($) patent | Nov. 06, 2019 USD ($) patent day | Jul. 31, 2019 patent | Aug. 17, 2018 patent | Jul. 07, 2018 patent | Jun. 11, 2018 USD ($) | Jun. 11, 2018 EUR (€) | May 31, 2022 USD ($) patent | Mar. 31, 2021 patent | Sep. 30, 2020 patent | Jan. 26, 2021 patent | Feb. 23, 2021 patent | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Jun. 19, 2020 USD ($)
Employee 401(k) Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company contribution, percent of designated deferral of eligible compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |
Company contribution, percent of employee compensation eligible for company match |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.00% |  |  |
Employer contribution related to 401(k) plan | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700 | $ 700 | $ 400 |
Maplebear, Inc (dba Instacart) | Subscription To Mobile Verify Advance Service |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other commitment, annual amount committed | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,200
Pending Litigation | General and administrative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legal fees incurred related to third-party claims against customers | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400 |  |  |
Pending Litigation | UrbanFT, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents allegedly infringed | patent |  |  |  |  |  |  | 2 |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents invalid | patent |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents not infringed | patent |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Global Equity & Corporate Consulting, S.L.- Breach of Services Agreement | ICAR Vision Systems, S.L. | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount claimed during court proceedings |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 800 | € 800 |  |  |  |  |  |  |  |  |
Settlement interest percentage |  | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement interest | € |  | € 1,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims against the escrow funds | € |  | 900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Escrow deposit | € |  | 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest | € |  | 16,475,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation expense | € |  | € 10,995,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
USAA | Pending Litigation | Wells Fargo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents allegedly infringed |  |  |  |  |  |  |  |  |  | 2 | 3 |  | 5 | 4 |  |  |  |  | 2 |  | 4 |  |  |  |
Number of patents infringed | patent |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded in damages to other party | $ |  |  |  |  |  |  |  |  |  | $ 102,000 | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents dropped | patent |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
Number of patents invalid | patent |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |
Number of patents instituted | patent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Number of patents denied institution | patent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
USAA | Pending Litigation | PNC Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents allegedly infringed | patent |  |  |  |  |  | 2 |  | 2 | 2 |  |  |  |  |  |  |  | 1 |  | 2 |  |  |  |  |  |
Amount awarded in damages to other party | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 218,000 |  |  |  |  |  |  |  |
Number of patents denied institution | patent |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |
USAA | Settled Litigation | PNC Bank | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents infringed | patent | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded in damages to other party | $ | $ 4,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
UrbanFT, Inc. | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to the Company | $ |  |  | $ 2,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
UrbanFT, Inc. | Settled Litigation | Compensatory Damages |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to the Company | $ |  |  | 1,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
UrbanFT, Inc. | Settled Litigation | Costs of Judgement Awarded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to the Company | $ |  |  | 2,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
UrbanFT, Inc. | Settled Litigation | Attorneys' Fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to the Company | $ |  |  | $ 600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maplebear, Inc (dba Instacart) | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount claimed during court proceedings | $ |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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