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Common Stock - Stock Options - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for options currently outstanding | 1,329,236 |  | 822,515
Number of shares granted | 506,750 |  |
Unrecognized compensation expense related to stock options granted | $ 4.8 |  |
Anti-dilutive securities excluded from earning per share computation | 7,276,204 | 2,309,387 |
Warrant [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Anti-dilutive securities excluded from earning per share computation | 5,299,343 |  |
Stock Options [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Weighted-average period, restricted stock awards | 2 years 3 months 14 days |  |
Anti-dilutive securities excluded from earning per share computation | 1,329,236 |  |
Stock Options [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
Stock Options [Member] | Minimum [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award expiration period | 7 years |  |
Stock Options [Member] | Minimum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
Stock Options [Member] | Maximum [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award expiration period | 10 years |  |
Stock Options [Member] | Maximum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
Restricted Stock Unit [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Restricted shares reserved for issuance under incentive plan | 647,625 |  |
Award vesting period | 4 years |  |
Common shares reserved for awards currently outstanding | 647,625 |  | 252,875
Weighted-average period, restricted stock awards | 9 months |  |
Anti-dilutive securities excluded from earning per share computation | 647,625 |  |
2018 Equity Incentive Plan [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for issuance under incentive plan | 33,473 |  |
Award expiration period | 10 years |  |
2018 Equity Incentive Plan [Member] | Minimum [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
2018 Equity Incentive Plan [Member] | Minimum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
2018 Equity Incentive Plan [Member] | Maximum [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
2018 Equity Incentive Plan [Member] | Maximum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
2018 Equity Incentive Plan [Member] | Stock Options [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for issuance under incentive plan | 1,862,003 |  |
Common shares reserved for options currently outstanding | 1,180,905 |  |
New Employee Inducement Grants [Member] | Stock Options [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for options currently outstanding | 135,000 |  |
Award expiration period | 10 years |  |
Number of shares granted | 40,000 |  |
2017 Equity Incentive Plan [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award expiration period | 10 years |  |
2017 Equity Incentive Plan [Member] | Minimum [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
2017 Equity Incentive Plan [Member] | Minimum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
2017 Equity Incentive Plan [Member] | Maximum [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
2017 Equity Incentive Plan [Member] | Maximum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
2017 Equity Incentive Plan [Member] | Stock Options [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for issuance under incentive plan | 13,156 |  |
2010 Performance Incentive Plan [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award expiration period | 10 years |  |
2010 Performance Incentive Plan [Member] | Minimum [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
2010 Performance Incentive Plan [Member] | Minimum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
2010 Performance Incentive Plan [Member] | Maximum [Member] | Employees and Consultants [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
2010 Performance Incentive Plan [Member] | Maximum [Member] | Board of Directors [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
2010 Performance Incentive Plan [Member] | Stock Options [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for issuance under incentive plan | 175 |  |
Common shares reserved for options currently outstanding | 175 |  |
2010 Performance Incentive Plan [Member] | Restricted Stock Unit [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Common shares reserved for awards currently outstanding | 0 |  |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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