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Stockholders' Deficit - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2023 | Jul. 22, 2022 | May 31, 2022 | Jun. 25, 2021 | May 04, 2021 | Jan. 14, 2021 | Nov. 24, 2020 | Apr. 30, 2020 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2020
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital stock, shares authorized (in shares) |  |  |  |  | 350,000,000 |  |  |  |  |  |  |  |  | 250,000,000
Loss from G42 Promissory Note early redemption |  |  |  |  |  |  |  |  |  |  | $ 313 | $ 0 |  |
Stock issued during period |  |  |  |  |  |  |  |  |  |  |  | $ 5,040 |  |
G42 Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold (in shares) |  |  | 10,386,274 |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in usd per shares) |  |  | $ 2.41 |  |  |  |  |  |  |  |  |  |  |
Sale of stock, consideration received on transaction, gross |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |
Sale of stock, consideration received on transaction |  |  | 12,500 |  |  |  |  |  |  |  |  |  |  |
Accounts and financing receivable, after allowance for credit loss |  |  | $ 12,500 |  |  |  |  |  |  |  |  |  |  |
Sale of stock, consideration, receivables, payment term |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |
Proceeds from collection of notes receivable | $ 12,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate | 3.75% |  |  |  |  |  |  |  |  |  |  |  |  |
Loss from G42 Promissory Note early redemption | $ 300 |  |  |  |  |  |  |  |  |  |  |  |  |
CinRx Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold (in shares) |  | 4,154,549 |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in usd per shares) |  | $ 2.41 |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, consideration received on transaction, gross |  | $ 10,000 |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, consideration received on transaction |  | 6,000 |  |  |  |  |  |  |  |  |  |  |  |
Accounts and financing receivable, after allowance for credit loss |  | $ 4,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, term |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  | 200,000,000 |  |  |  | 200,000,000 |  | 200,000,000 |  | 200,000,000 | 100,000,000
Increase in shares authorized (in shares) |  |  |  |  | 100,000,000 |  |  |  |  |  |  |  |  |
Common stock par value (in usd per share) |  |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  | $ 0.01 |
Class A Common Stock | CinRx Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in usd per shares) |  | $ 0.72 |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, consideration received on transaction |  | $ 3,000 |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock | Cantor Fitzgerald | ATM Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold (in shares) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 |  |
Common stock par value (in usd per share) |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |
Stock issued during period |  |  |  |  |  |  |  | $ 13,000 |  |  |  |  |  |
Aggregate offering price |  |  |  | $ 50,000 |  | $ 5,500 |  |  |  |  |  |  |  |
Class A Common Stock | LPC Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold (in shares) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 |  |
Class A Common Stock | LPC Purchase Agreement | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period |  |  |  |  |  |  | $ 47,000 |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  | 300,000,000 |  |  |  |  |  |  |  |  | 200,000,000
Common Stock | CinRx Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of securities called by warrants or rights (in shares) |  | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants or rights (in usd per share) |  | $ 0.72 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, fair value |  | $ 400 |  |  |  |  |  |  |  |  |  |  |  |

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