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Warrants and Options - Summary of Warrants Issued to Purchase Common Stock (Detail) - $ / shares | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Class Of Warrant Or Right [Line Items] |  |
Exercised during the period | 0 | (75,000)
Outstanding | 195,885 | 259,817
March 2023 Pre-Funded Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2023-03 |
Exercise Price Per Share | $ 0 |
Exercised during the period | 0 | (75,000)
Outstanding | 0 | 0
December 2022 Service and Performance Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2022-12 |
Term | 5 years |
Exercise Price Per Share | $ 11.2 |
Exercised during the period | 0 | 0
Outstanding | 1,000 | 1,000
October 2022 Service and Performance Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2022-10 |
Term | 5 years |
Exercise Price Per Share | $ 16 |
Exercised during the period | 0 | 0
Outstanding | 1,000 | 1,000
January 2021 Placement Agent Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2021-01 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 159.60 |
Exercised during the period | 0 | 0
Outstanding | 9,846 | 9,846
December 2020 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-12 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 9 |
Exercised during the period | 0 | 0
Outstanding | 16,367 | 16,367
December 2020 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-12 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 120.00 |
Exercised during the period | 0 | 0
Outstanding | 49,100 | 49,100
December 2020 Placement Agent Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-12 |
Term | 5 years |
Exercise Price Per Share | $ 152.80 |
Exercised during the period | 0 | 0
Outstanding | 3,274 | 3,274
July 2020 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-07 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 9.00 |
Exercised during the period | 0 | 0
Outstanding | 16,036 | 16,036
July 2020 Placement Agent Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-07 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 198.80 |
Exercised during the period | 0 | 0
Outstanding | 802 | 802
May 2020 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-05 |
Term | 5 years |
Exercise Price Per Share | $ 9 |
Exercised during the period | 0 | 0
Outstanding | 0 | 9,946
May 2020 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-05 |
Term | 5 years |
Exercise Price Per Share | $ 191.2 |
Exercised during the period | 0 | 0
Outstanding | 0 | 24,863
May 2020 Placement Agent Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2020-05 |
Term | 5 years |
Exercise Price Per Share | $ 245.20 |
Exercised during the period | 0 | 0
Outstanding | 0 | 1,741
January 2021 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2021-01 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 125.2 |
Exercised during the period | 0 | 0
Outstanding | 90,629 | 90,629
January 2021 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2021-01 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 9 |
Exercised during the period | 0 | 0
Outstanding | 7,831 | 7,831
September 2019 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2019-09 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 9 |
Exercised during the period | 0 | 0
Outstanding | 0 | 9,892
September 2019 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2019-09 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 300.8 |
Exercised during the period | 0 | 0
Outstanding | 0 | 6,594
June 2019 Warrants [Member] |  |
Class Of Warrant Or Right [Line Items] |  |
Issuance Date | 2019-06 |
Term | 5 years 6 months |
Exercise Price Per Share | $ 200 |
Exercised during the period | 0 | 0
Outstanding | 0 | 10,896

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