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Stockholders' Equity - Narrative (Details) |  | 12 Months Ended | 43 Months Ended |  |  |  |  |  |  |  |  |  |  |
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Jan. 01, 2013 USD ($) offering_period shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) shares | Aug. 21, 2024 USD ($) | Aug. 20, 2024 USD ($) | Jun. 30, 2024 shares | Jun. 30, 2023 shares | Sep. 30, 2022 shares | Sep. 21, 2022 | Jun. 30, 2021 shares | Jun. 04, 2021 USD ($) | Jun. 30, 2020 shares | Jun. 30, 2018 shares | May 31, 2017 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance (in shares) |  |  |  |  |  |  |  |  | 333,333 |  |  |  |  |  |
Outstanding stock threshold | $ |  |  |  |  | $ 75,000,000 |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance of common stock | $ |  | $ 68,000 | $ 321,000 |  |  |  |  |  |  |  |  |  |  |  |
ATM Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering amount authorized per agreement | $ |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |  |  |
Common stock outstanding | $ |  |  |  |  | $ 29,600,000 |  |  |  |  |  |  |  |  |  |
Amount available for sale | $ |  |  |  |  |  | $ 9,855,890 |  |  |  |  |  |  |  |  |
Percentage held by non-affiliates |  |  |  |  |  |  |  |  |  | 33.00% |  |  |  |  |
Stock issued (in shares) |  | 3,779 |  | 68,173 |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance of common stock | $ |  | $ 10,074 |  | $ 280,848 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average estimated fair value (in dollars per share) | $ / shares |  | $ 3.08 | $ 3.00 |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting terms (in years) |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting terms (in years) |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting terms (in years) |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average estimated fair value (in dollars per share) | $ / shares |  | $ 3.08 | $ 3.00 |  |  |  |  |  |  |  |  |  |  |  |
2018 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance (in shares) |  |  |  |  |  |  | 600,000 | 400,000 |  |  | 400,000 |  | 166,667 |  |
Number of shares available for future grant (in shares) |  | 744,514 | 593,141 | 744,514 |  |  |  |  |  |  |  |  |  |  |
2018 Plan | Stock options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting terms (in years) |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Plan | Stock options | Share-based award tranche one |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration period (in years) |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Plan | Stock options | Share-based award tranche two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration period (in years) |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Plan | Stock options | Share-based award tranche three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration period (in years) |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |
2012 ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance (in shares) | 3,333 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of offering periods | offering_period | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of offering period | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum annual contribution per employee as percent of annual salary | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum annual contribution per employee | $ | $ 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price measurement as percent of closing price on enrollment date | 85.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price measurement as percent of closing price on exercise date | 85.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,667
Amended 2017 ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance (in shares) |  |  |  |  |  |  | 113,333 | 68,333 |  |  |  |  |  | 33,333 |
Number of shares available for future grant (in shares) |  | 43,121 | 21,911 | 43,121 |  |  |  |  |  |  |  |  |  |  |
Shares issued under ESPP (in shares) |  | 23,790 |  |  |  |  |  |  |  |  |  |  |  |  |

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