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Summary of Significant Accounting Policies (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
Accounting Policies [Abstract] |  |
Summary of Risk of Concentration of Credit, Significant Customers | The following table presents customers that represent 10% or more of the Company’s total revenue and accounts receivable, net:
|  | Revenue |  |  | Revenue |  |  | Accounts Receivable |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |  |  | September 30, |  |  | December 31, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Customer A |  |  | 18 | % |  |  | 19 | % |  |  | N/A |  |  |  | 12 | % |  |  | 15 | % |  |  | 16 | %
Customer B |  |  | N/A |  |  |  | 11 | % |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
| The following table presents customers that represent 10% or more of the Company’s total revenue and accounts receivable, net:
|  | Revenue |  |  | Accounts Receivable |
|  | Years Ended December 31 |  |  | December 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Customer A |  |  | 10 | % |  |  | N/A |  |  |  | 16 | % |  |  | N/A |
Customer B |  |  | N/A |  |  |  | 11 | % |  |  | N/A |  |  |  | N/A |
Customer C |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | 13 | %
Customer D |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | 12 | %
Reconciliation of Cash and Cash Equivalents and Restricted Cash |  | A reconciliation of the amounts of cash and cash equivalents and restricted cash in the consolidated balance sheets to the amount in the consolidated statements of cash flows is as follows (in thousands):
|  | December 31, |
|  | 2023 |  |  | 2022 |
Cash and cash equivalents |  | $ | 38,037 |  |  | $ | 7,685 |
Restricted cash included in other long-term assets |  |  | 384 |  |  |  | 338 |
Cash and cash equivalents and restricted cash shown in the statement of cash flows |  | $ | 38,421 |  |  | $ | 8,023 |
Summary of Activity in Allowance for Doubtful Accounts |  | The following table summarizes activity in the allowance for doubtful accounts:
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |
Balance at beginning of period |  | $ | (741 | ) |  | $ | (354 | )
Provision for uncollectible accounts |  |  | (12,675 | ) |  |  | (436 | )
Uncollectible accounts written off |  |  | 745 |  |  |  | 49 |
Balance at end of period |  | $ | (12,671 | ) |  | $ | (741 | )

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