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Pay vs Performance Disclosure - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pay vs Performance Disclosure          
Pay vs Performance Disclosure, Table
Year
Summary Compensation Table Total for Marc Stapley
($)(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
($)		Peer Group TSR
($)
20257,421,877 — 9,610,633 — 2,843,110 3,712,712 86.02 124.75 66.4 517.1 
20246,816,368 — 14,888,998 — 3,154,952 6,617,801 80.92 93.49 24.1 445.8 
20237,184,634 — 9,559,060 — 2,742,803 3,440,029 56.21 94.03 (74.4)361.1 
20224,935,422 — 1,622,674 — 3,725,476 1,450,011 48.49 89.90 (36.6)296.5 
20215,741,940 4,518,093 5,700,065 2,876,781 2,235,504 (434,017)84.18 100.02 (75.6)219.5 
        
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.
202120222023 - 2025
Keith KennedyGiulia KennedyRebecca Chambers
Giulia KennedyRebecca ChambersPhillip Febbo
James Erlinger IIITina NovaJohn Leite
Beverly Jane AlleyAnnie McGuireAnnie 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, 2025. The comparison assumes $100 was invested for the period starting December 31, 2020, 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 $ 7,421,877        
PEO Actually Paid Compensation Amount $ 9,610,633        
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.
YearSummary Compensation Table Total for Marc Stapley
($)		Exclusion of Stock Awards and Option Awards for Marc Stapley
($)		Inclusion of Equity Values for Marc Stapley
($)		Compensation Actually Paid to Marc Stapley
($)
20257,421,877(5,890,877)8,079,6339,610,633
YearAverage 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
($)		Average Compensation Actually Paid to Non-PEO NEOs
($)
20252,843,110(1,963,604)2,833,2063,712,712
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
YearYear-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
($)		Total - Inclusion of Equity Values for Marc Stapley
($)
20257,628,6041,731,869—(1,280,840)—8,079,633
YearAverage 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
($)		Total - Average Inclusion of Equity Values for Non-PEO NEOs
($)
20252,542,840754,439—(464,073)—2,833,206
        
Non-PEO NEO Average Total Compensation Amount $ 2,843,110 $ 3,154,952 $ 2,742,803 $ 3,725,476 $ 2,235,504
Non-PEO NEO Average Compensation Actually Paid Amount $ 3,712,712 6,617,801 3,440,029 1,450,011 (434,017)
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.
YearSummary Compensation Table Total for Marc Stapley
($)		Exclusion of Stock Awards and Option Awards for Marc Stapley
($)		Inclusion of Equity Values for Marc Stapley
($)		Compensation Actually Paid to Marc Stapley
($)
20257,421,877(5,890,877)8,079,6339,610,633
YearAverage 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
($)		Average Compensation Actually Paid to Non-PEO NEOs
($)
20252,843,110(1,963,604)2,833,2063,712,712
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
YearYear-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
($)		Total - Inclusion of Equity Values for Marc Stapley
($)
20257,628,6041,731,869—(1,280,840)—8,079,633
YearAverage 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
($)		Total - Average Inclusion of Equity Values for Non-PEO NEOs
($)
20252,542,840754,439—(464,073)—2,833,206
        
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 2021, 2022, 2023, 2024 and 2025.
18160
        
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 2021, 2022, 2023, 2024 and 2025.
18162
        
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 2021, 2022, 2023, 2024 and 2025.
18162
        
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 2021, 2022, 2023, 2024 and 2025.
18160
        
Tabular List, Table
Total Revenue
Adjusted EBITDA Margin
Testing Revenue
        
Total Shareholder Return Amount $ 86.02 80.92 56.21 48.49 84.18
Peer Group Total Shareholder Return Amount 124.75 93.49 94.03 89.90 100.02
Net Income (Loss) $ 66,400,000 $ 24,100,000 $ (74,400,000) $ (36,600,000) $ (75,600,000)
Company Selected Measure Amount 517,100,000 445,800,000 361,100,000 296,500,000 219,500,000
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 2025. 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 Adjusted EBITDA Margin        
Measure:: 3          
Pay vs Performance Disclosure          
Name Testing Revenue        
Stapley [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount $ 7,421,877 $ 6,816,368 $ 7,184,634 $ 4,935,422 $ 5,741,940
PEO Actually Paid Compensation Amount $ 9,610,633 $ 14,888,998 $ 9,559,060 $ 1,622,674 $ 5,700,065
PEO Name Marc Stapley Marc Stapley Marc Stapley Marc Stapley Marc Stapley
Anderson [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount         $ 4,518,093
PEO Actually Paid Compensation Amount         $ 2,876,781
PEO Name         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 $ (5,890,877)        
PEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 8,079,633        
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 7,628,604        
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 1,731,869        
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 (1,280,840)        
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 (1,963,604)        
Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 2,833,206        
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 2,542,840        
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 754,439        
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 (464,073)        
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