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Common Stock - Summary of Outstanding Warrants (Detail) - $ / shares | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022
Warrants Issued in June 2018 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 114,100 |
Exercise price per Share | $ 80.000 |
Expiration Date | 2023-06 |
Warrants Issued in October 2018 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 31,215 |
Exercise price per Share | $ 62.890 |
Expiration Date | 2023-10 |
Warrants Issued in May 2019 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 60,000 |
Exercise price per Share | $ 90.000 |
Expiration Date | 2025-05 |
Warrants Issued in December 2019 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 575,924 |
Exercise price per Share | $ 2.310 | $ 6.60
Expiration Date | 2024-12 |
Warrants Issued in April 2020 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 24,375 |
Exercise price per Share | $ 7.320 |
Expiration Date | 2025-04 |
Warrants Issued in April 2020 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 25,270 |
Exercise price per Share | $ 7.590 |
Expiration Date | 2025-04 |
Warrants Issued in April 2020 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 182,461 |
Exercise price per Share | $ 7.240 |
Expiration Date | 2025-04 |
Pre-Funded Warrants Issued in August 2020 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 142,857 |
Exercise price per Share | $ 0.001 |
Warrants Issued in December 2020 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 50,000 |
Exercise price per Share | $ 8.750 |
Expiration Date | 2025-12 |
Warrants Issued in November 2022 [Member] |  |
Class of Warrant or Right [Line Items] |  |
Total Outstanding and Exercisable | 4,093,141 |
Exercise price per Share | $ 4.500 |
Expiration Date | 2029-11 |

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