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Common Stock Warrants - Summary of Outstanding Warrants to Purchase Shares of Common Stock (Detail) - USD ($) $ / shares in Units, $ in Thousands | Jun. 30, 2024 | Dec. 09, 2022 | Jul. 06, 2022 | Mar. 03, 2022 | Nov. 09, 2021 | Mar. 23, 2021 | Nov. 02, 2020 | Nov. 29, 2019
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Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 108,792,939 |  |  |  |  |  |  |
Class Of Warrant Or Right. Aggregate Proceeds From Warrants Issued |  | $ 7,500 | $ 14,500 | $ 1,400 | $ 10,000 | $ 435 |  | $ 21,000
Class of Warrant or Right, Additional Exercise Price of Warrants or Rights |  |  | $ 0.001 | $ 0.01 |  |  | $ 0.01 | $ 0.001
Funded |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) |  |  | $ 1.094 | $ 1.79 | $ 4.97 | $ 8.69 |  | $ 11.999
Issuance On October 25, 2016 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 19.78 |  |  |  |  |  |  |
Issuance On October 25, 2016 | Legacy Warrants |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 5,155 |  |  |  |  |  |  |
Issuance On December 28, 2017 One |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 19.78 |  |  |  |  |  |  |
Issuance On December 28, 2017 One | Legacy Warrants |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 115,916 |  |  |  |  |  |  |
Issuance On September 12, 2018 One |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 19.78 |  |  |  |  |  |  |
Issuance On September 12, 2018 One | Legacy Warrants |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 20,220 |  |  |  |  |  |  |
Issuance On October 19, 2018 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 19.78 |  |  |  |  |  |  |
Issuance On October 19, 2018 | Legacy Warrants |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 20,016 |  |  |  |  |  |  |
Issuance On March 13, 2019 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 19.78 |  |  |  |  |  |  |
Issuance On March 13, 2019 | Legacy Warrants |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 5,000 |  |  |  |  |  |  |
Issuance On November 29, 2019 One |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 12.00 |  |  |  |  |  |  |
Issuance On November 29, 2019 One | Pre Funded Warrant |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 1,250,000 |  |  |  |  |  |  |
Issuance On March 23, 2021 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 8.70 |  |  |  |  |  |  |
Issuance On March 23, 2021 | Pre Funded Warrant |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 50,000 |  |  |  |  |  |  |
Issuance on November Nine Two Thousand Twenty One |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 2,008,032 |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 4.98 |  |  |  |  |  |  |
Issuance on March 3 2022 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 766,666 |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 1.80 |  |  |  |  |  |  |
Issuance on July 2022 1 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 13,276,279 |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 1.095 |  |  |  |  |  |  |
Issuance on July 6 2022 Two |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 44,075,050 |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 1.095 |  |  |  |  |  |  |
Issuance on December 9 2022 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 32,137,448 |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 1.50 |  |  |  |  |  |  |
Issuance on December 9 2022 2 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 6,800,000 |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 1.10 |  |  |  |  |  |  |
Issuance On May 19, 2023 |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Exercise Price (usd per share) | $ 1.52 |  |  |  |  |  |  |
Issuance On May 19, 2023 | Pre Funded Warrant |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |
Number of Shares of Common Stock Issuable (in shares) | 8,263,157 |  |  |  |  |  |  |

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