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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table |
| Year | Summary Compensation Table Total for Marc Stapley ($)(1) | Summary Compensation Table Total for Bonnie Anderson ($)(1) | Compensation Actually Paid to Marc Stapley ($)(1)(2)(3) | Compensation Actually Paid to Bonnie Anderson ($)(1)(2)(3) | Average Summary Compensation Table Total for Non-PEO NEOs ($)(1) | Average Compensation Actually Paid to Non-PEO NEOs ($)(1)(2)(3) | Value of Initial Fixed $100 Investment based on:(4) | Net Income ($ in millions) | Total Revenue ($ in millions)(⁵) |
| TSR ($) | Peer Group TSR ($) |
| 2024 | 6,816,368 |  | — |  | 14,888,998 |  | — |  | 3,154,952 |  | 6,617,801 |  | 141.83 |  | 118.20 |  | 24.1 |  | 445.8 |  |
| 2023 | 7,184,634 |  | — |  | 9,559,060 |  | — |  | 2,742,803 |  | 3,440,029 |  | 98.53 |  | 118.87 |  | (74.4) |  | 361.1 |  |
| 2022 | 4,935,422 |  | — |  | 1,622,674 |  | — |  | 3,725,476 |  | 1,450,011 |  | 84.99 |  | 113.65 |  | (36.6) |  | 296.5 |  |
| 2021 | 5,741,940 |  | 4,518,093 |  | 5,700,065 |  | 2,876,781 |  | 2,235,504 |  | (434,017) |  | 147.56 |  | 126.45 |  | (75.6) |  | 219.5 |  |
| 2020 | — |  | 4,571,345 |  | — |  | 15,466,734 |  | 2,200,189 |  | 5,837,075 |  | 175.29 |  | 126.42 |  | (34.9) |  | 117.5 |  |
Company Selected Measure Name | Total Revenue |  |  |  |
Named Executive Officers, Footnote | Bonnie Anderson was our PEO until June 2021. Marc Stapley has been our PEO from June 2021 to present. The individuals comprising the Non-PEO NEOs for each year presented are listed below.
| 2020 | 2021 | 2022 | 2023 - 2024 |
| Keith Kennedy | Keith Kennedy | Giulia Kennedy | Rebecca Chambers |
| Giulia Kennedy | Giulia Kennedy | Rebecca Chambers | Phillip Febbo |
| John Hanna | James Erlinger III | Tina Nova | John Leite |
| James Erlinger III | Beverly Jane Alley | Annie McGuire | Annie McGuire |
|  | Rebecca Chambers |  |  |
Peer Group Issuers, Footnote | The Peer Group TSR set forth in this table utilizes the NASDAQ Biotechnology Index, which we also utilize in the stock performance graph required by Item 201(e) of Regulation S-K included in our Annual Report for the year ended December 31, 2024. The comparison assumes $100 was invested for the period starting December 31, 2019, through the end of the listed year in the company and in the NASDAQ Biotechnology Index, respectively. Historical stock performance is not necessarily indicative of future stock performance. |  |  |  |
PEO Total Compensation Amount | $ 6,816,368 |  |  |  |
PEO Actually Paid Compensation Amount | $ 14,888,998 |  |  |  |
Adjustment To PEO Compensation, Footnote | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEOs and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards and Option Awards column below reflect the totals from the Stock Awards and Option Awards columns set forth in the Summary Compensation Table.
| Year | Summary Compensation Table Total for Marc Stapley ($) | Exclusion of Stock Awards and Option Awards for Marc Stapley ($) | Inclusion of Equity Values for Marc Stapley ($) | Compensation Actually Paid to Marc Stapley ($) |
| 2024 | 6,816,368 | (5,125,868) | 13,198,498 | 14,888,998 |
| Year | Average Summary Compensation Table Total for Non-PEO NEOs ($) |  | Average Exclusion of Stock Awards and Option Awards for Non-PEO NEOs ($) |  | Average Inclusion of Equity Values for Non-PEO NEOs ($) | Average Compensation Actually Paid to Non-PEO NEOs ($) |
| 2024 | 3,154,952 |  | (2,228,638) |  | 5,691,487 | 6,617,801 |
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
| Year | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Marc Stapley ($) | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Marc Stapley ($) | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Marc Stapley ($) | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Marc Stapley ($) | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Marc Stapley ($) | Total - Inclusion of Equity Values for Marc Stapley ($) |
| 2024 | 9,086,140 | 4,361,025 | — | (248,667) | — | 13,198,498 |
| Year | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | Average Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | Average Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Non-PEO NEOs ($) | Total - Average Inclusion of Equity Values for Non-PEO NEOs ($) |
| 2024 | 3,950,496 | 1,682,964 | — | 58,027 | — | 5,691,487 |
Non-PEO NEO Average Total Compensation Amount | $ 3,154,952 | $ 2,742,803 | $ 3,725,476 | $ 2,235,504 | $ 2,200,189
Non-PEO NEO Average Compensation Actually Paid Amount | $ 6,617,801 | 3,440,029 | 1,450,011 | (434,017) | 5,837,075
Adjustment to Non-PEO NEO Compensation Footnote | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEOs and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards and Option Awards column below reflect the totals from the Stock Awards and Option Awards columns set forth in the Summary Compensation Table.
| Year | Summary Compensation Table Total for Marc Stapley ($) | Exclusion of Stock Awards and Option Awards for Marc Stapley ($) | Inclusion of Equity Values for Marc Stapley ($) | Compensation Actually Paid to Marc Stapley ($) |
| 2024 | 6,816,368 | (5,125,868) | 13,198,498 | 14,888,998 |
| Year | Average Summary Compensation Table Total for Non-PEO NEOs ($) |  | Average Exclusion of Stock Awards and Option Awards for Non-PEO NEOs ($) |  | Average Inclusion of Equity Values for Non-PEO NEOs ($) | Average Compensation Actually Paid to Non-PEO NEOs ($) |
| 2024 | 3,154,952 |  | (2,228,638) |  | 5,691,487 | 6,617,801 |
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
| Year | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Marc Stapley ($) | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Marc Stapley ($) | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Marc Stapley ($) | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Marc Stapley ($) | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Marc Stapley ($) | Total - Inclusion of Equity Values for Marc Stapley ($) |
| 2024 | 9,086,140 | 4,361,025 | — | (248,667) | — | 13,198,498 |
| Year | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | Average Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | Average Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Non-PEO NEOs ($) | Total - Average Inclusion of Equity Values for Non-PEO NEOs ($) |
| 2024 | 3,950,496 | 1,682,964 | — | 58,027 | — | 5,691,487 |
Compensation Actually Paid vs. Total Shareholder Return | The following charts show the relationship between Compensation Actually Paid, Total Stockholder Return, total revenue and net loss for 2020, 2021, 2022, 2023 and 2024. |  |  |  |
Compensation Actually Paid vs. Net Income | The following charts show the relationship between Compensation Actually Paid, Total Stockholder Return, total revenue and net loss for 2020, 2021, 2022, 2023 and 2024. |  |  |  |
Compensation Actually Paid vs. Company Selected Measure | The following charts show the relationship between Compensation Actually Paid, Total Stockholder Return, total revenue and net loss for 2020, 2021, 2022, 2023 and 2024. |  |  |  |
Total Shareholder Return Vs Peer Group | The following charts show the relationship between Compensation Actually Paid, Total Stockholder Return, total revenue and net loss for 2020, 2021, 2022, 2023 and 2024. |  |  |  |
Tabular List, Table |
Total Revenue
Ending Cash Balance
Gross Margin on Testing Revenue
Total Shareholder Return Amount | $ 141.83 | 98.53 | 84.99 | 147.56 | 175.29
Peer Group Total Shareholder Return Amount | 118.20 | 118.87 | 113.65 | 126.45 | 126.42
Net Income (Loss) | $ 24,100,000 | $ (74,400,000) | $ (36,600,000) | $ (75,600,000) | $ (34,900,000)
Company Selected Measure Amount | 445,800,000 | 361,100,000 | 296,500,000 | 219,500,000 | 117,500,000
Additional 402(v) Disclosure | The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized, or received by the company’s NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote 3 below.We determined Total Revenue to be the most important financial performance measure used to link company performance to Compensation Actually Paid to our PEOs and Non-PEO NEOs in 2024. This performance measure may not have been the most important financial performance measure in prior years, and we may determine a different financial performance measure to be the most important financial performance measure in future years. |  |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Total Revenue |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Ending Cash Balance |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Gross Margin on Testing Revenue |  |  |  |
Stapley [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | $ 6,816,368 | $ 7,184,634 | $ 4,935,422 | $ 5,741,940 |
PEO Actually Paid Compensation Amount | $ 14,888,998 | $ 9,559,060 | $ 1,622,674 | $ 5,700,065 |
PEO Name | Marc Stapley | Marc Stapley | Marc Stapley | Marc Stapley |
Anderson [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount |  |  |  | $ 4,518,093 | $ 4,571,345
PEO Actually Paid Compensation Amount |  |  |  | $ 2,876,781 | $ 15,466,734
PEO Name |  |  |  | Bonnie Anderson | Bonnie Anderson
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ (5,125,868) |  |  |  |
PEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 13,198,498 |  |  |  |
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 9,086,140 |  |  |  |
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 4,361,025 |  |  |  |
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (248,667) |  |  |  |
PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (2,228,638) |  |  |  |
Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 5,691,487 |  |  |  |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 3,950,496 |  |  |  |
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,682,964 |  |  |  |
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 58,027 |  |  |  |
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |  |

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