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Fair value measurement | 12 Months Ended
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Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Fair value measurement | Fair value measurement In accordance with FASB ASC Topic 820, Fair Value Measurements and Disclosures, (“ASC Topic 820”), the Company measures its financial instruments at fair value on a recurring basis. The carrying values of certain of our financial instruments including cash and cash equivalents, accounts receivable, accounts payable, and accrued liabilities approximate fair value because of their short maturities. The carrying value of our marketable debt securities, which are accounted for as available-for-sale, are classified within either Level 1 or Level 2 in the fair value hierarchy because we use quoted market prices or alternative pricing sources and models utilizing market observable inputs to determine their fair value. The carrying values of our long-term debt, which is classified within Level 2 in the fair value hierarchy, approximates fair value as our borrowings with lenders are at interest rates that approximate market rates for comparable loans. The fair values of investments and contingent consideration classified as Level 3 were derived from management assumptions. The Company also measures certain assets and liabilities at fair value on a non-recurring basis when applying acquisition accounting. ASC Topic 820 clarifies that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, ASC Topic 820 establishes a three-tier value fair hierarchy, which prioritizes the inputs used in measuring fair value as follows: Level 1 – Observable inputs that reflect quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 – Observable inputs other than quoted prices included in Level 1 for similar assets or liabilities, quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the related assets or liabilities. Level 3 – Unobservable data points for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability. The fair value of the SciSafe contingent consideration liability was initially valued based on unobservable inputs using a Monte Carlo simulation. These inputs included the estimated amount and timing of projected future revenue, a discount rate of 4.5%, a risk-free rate of approximately 0.2%, asset volatility of 60%, and revenue volatility of 15%. Significant changes in any of those inputs in isolation would result in significant changes in fair value measurement. Generally, changes used in the assumptions for projected future revenue and revenue volatility would be accompanied by a directionally similar change in the fair value measurement. Conversely, changes in the discount rate would be accompanied by a directionally opposite change in the related fair value measurement. However, due to the contingent consideration having a maximum payout amount, changes in these assumptions would not affect the fair value of the contingent consideration if they vary beyond certain amounts. At the acquisition date, the contingent consideration was determined to have a fair value of $3.7 million. Subsequent to the acquisition date, the contingent consideration liability was re-measured to fair value with changes recorded in the Change in fair value of contingent consideration line item in the Consolidated Statements of Operations. During the most recent re-measurement of the contingent consideration liability as of December 31, 2023, the Company determined it appropriate to write-off the remaining balance of the SciSafe contingent consideration liability. The target revenue required for earnout was not met during the year ended December 31, 2023 and has been determined to not be probable to achieve in future years. This contingent consideration liability was included in the Consolidated Balance Sheets as of December 31, 2022 in the amount of $4.3 million. The changes in fair value of contingent consideration of $2.1 million and $5.6 million associated with this liability are included within the Change in Fair Value of Contingent Consideration in the Consolidated Statements of Operations for the years ended December 31, 2023 and 2022, respectively. There were no remeasurements to fair value during the year ended December 31, 2023 of financial assets and liabilities that are not measured at fair value on a recurring basis. The following tables set forth the Company’s financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2023 and 2022, based on the three-tier fair value hierarchy: (In thousands)
As of December 31, 2023 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market accounts | $ | 25,034 |  |  | $ | — |  |  | $ | — |  |  | $ | 25,034 |
Available-for-sale securities: |  |  |  |  |  |  |
U.S. government securities | 5,170 |  |  | — |  |  | — |  |  | 5,170 |
Corporate debt securities | — |  |  | 9,674 |  |  | — |  |  | 9,674 |
Other debt securities | — |  |  | 1,992 |  |  | — |  |  | 1,992 |
Total | 30,204 |  |  | 11,666 |  |  | — |  |  | 41,870 |
As of December 31, 2022 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market accounts | $ | 11,416 |  |  | $ | — |  |  | $ | — |  |  | $ | 11,416 |
Available-for-sale securities: |  |  |  |  |  |  |
U.S. government securities | 15,051 |  |  | — |  |  | — |  |  | 15,051 |
Corporate debt securities | — |  |  | 26,047 |  |  | — |  |  | 26,047 |
Other debt securities | — |  |  | 3,494 |  |  | — |  |  | 3,494 |
Total | 26,467 |  |  | 29,541 |  |  | $ | — |  |  | 56,008 |
Liabilities: |  |  |  |  |  |  |
Contingent consideration - business combinations | — |  |  | — |  |  | 4,456 |  |  | 4,456 |
Total | $ | — |  |  | $ | — |  |  | $ | 4,456 |  |  | $ | 4,456 |
There have been no transfers of assets or liabilities between the fair value measurement levels. The following table presents the changes in fair value of contingent consideration liabilities which are measured using Level 3 inputs for the years ended December 31, 2023, 2022, and 2021:
| Year Ended December 31,
(In thousands) | 2023 |  | 2022 |  | 2021
Balance at beginning of period | $ | 4,456 |  |  | $ | 10,027 |  |  | $ | 7,152 |
Change in fair value recognized in net loss | (2,193) |  |  | (4,754) |  |  | 2,875 |
Payment of contingent consideration earned | (2,263) |  |  | (817) |  |  | — |
Balance at end of period | $ | — |  |  | $ | 4,456 |  |  | $ | 10,027 |
The following table presents the changes in fair value of warrant liabilities which are measured using Level 3 inputs for the year ended December 31, 2021:
(In thousands) |  | 2021
Balance at beginning of period |  | 2,780 |
Exercised warrants |  | (2,901) |
Change in fair value recognized in net loss |  | 121 |
Balance at end of period |  | $ | — |
There was no warrant liability activity as of December 31, 2023 and 2022.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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