Organization and significant accounting policies (Policies)	3 Months Ended
Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Use of estimates	Use of estimates The preparation of financial statements in conformity with generally accepted accounting principles in the United States (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the financial statements and reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Significant estimates and assumptions by management affect the Company’s net realizable value of inventory, sales tax liabilities, valuation of market-based stock awards, valuations, fair value of marketable debt securities, expected future cash flows including growth rates, discount rates, terminal values and other assumptions and estimates used to evaluate the recoverability of long-lived assets, estimated fair values of intangible assets and goodwill, amortization methods and periods, warranty reserves, certain accrued expenses, stock-based compensation, contingent consideration from business combinations, and provision for income taxes. The Company regularly assesses these estimates; however, actual results could differ materially from these estimates. Changes in estimates are recorded in the period in which they become known. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances.
Basis of presentation	Basis of presentation The Unaudited Condensed Consolidated Financial Statements and related footnote disclosures as of and for the three months ended March 31, 2024 are unaudited, and are not necessarily indicative of the Company’s operating results for a full year. The Unaudited Condensed Consolidated Financial Statements include all normal and recurring adjustments necessary for a fair presentation of the Company’s financial results for the three months ended March 31, 2024 in accordance with U.S. GAAP, however, certain information and footnote disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to the U.S. Securities and Exchange Commission (the “SEC”) rules and regulations relating to interim financial statements. These Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the Audited Consolidated Financial Statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K as of and for the fiscal year ended December 31, 2023, filed with the SEC on February 29, 2024 (the “Annual Report”). The Unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its wholly owned subsidiaries, SAVSU Technologies, Inc. (“SAVSU”), Arctic Solutions, Inc. doing business as Custom Biogenic Systems (“CBS”), SciSafe Holdings, Inc. (“SciSafe”), BioLife Solutions B.V, Global Cooling, Inc. doing business as Stirling Ultracold (“Global Cooling” or “GCI”), and Sexton Biotechnologies, Inc. (“Sexton”). All intercompany accounts and transactions have been eliminated in consolidation. In the opinion of management, the accompanying Unaudited Condensed Consolidated Financial Statements include all adjustments, consisting of only normal, recurring adjustments necessary for a fair presentation of the financial position, results of operations, and cash flows. The results of operations for the interim periods presented are not necessarily indicative of results to be expected for the entire year.
Foreign currency translation	Foreign currency translation The Company translates items presented on its Unaudited Condensed Consolidated Balance Sheets, Unaudited Condensed Consolidated Statements of Operations, Unaudited Condensed Consolidated Statements of Comprehensive Loss, Unaudited Condensed Consolidated Statements of Shareholders’ Equity, and Unaudited Condensed Consolidated Statements of Cash Flows into U.S. dollars. For the Company’s subsidiaries that operate in a local currency functional environment, all assets and liabilities are translated into U.S. dollars using current exchange rates at the balance sheet date; revenue and expenses are translated using average exchange rates in effect during each period. Resulting translation adjustments are reported as a separate component of Accumulated Other Comprehensive Loss in the Unaudited Condensed Consolidated Statements of Shareholders' Equity.
Segment reporting	Segment reporting The Company views its operations and makes decisions regarding how to allocate resources and manages its business as one reportable segment and one reporting unit. The Company’s Chief Executive Officer, who is the chief operating decision maker, reviews financial information on an aggregate basis for purposes of allocating resources and evaluating financial performance.
Concentrations of credit risk and business risk	Concentrations of credit risk and business risk Significant customers are those that represent more than 10% of the Company’s total revenue or gross accounts receivable balances for the periods and as of each balance sheet date presented.
Recent accounting pronouncements	Recent accounting pronouncements In March 2024, the SEC adopted final rules on the enhancement and standardization of climate-related disclosures of public companies. The final rules require disclosure of, among other things, material climate-related risks and their impact; activities to mitigate or adapt to material climate-related risks; governance and oversight of climate-related risks; and material Scope 1 and/or Scope 2 greenhouse gas emissions with an accompanying assurance report required following an initial transition period, at a limited assurance level, and then following an additional transition period, at a reasonable assurance level. In addition, the effects of severe weather events and other natural conditions, subject to certain thresholds, and amounts related to carbon offsets and renewable energy credits or certificates are required to be disclosed in the notes to the audited financial statements in certain circumstances. On April 4, 2024, the SEC voluntarily stayed the implementation of the final rules pending the completion of judicial review of the consolidated challenges to the final rules by the Court of Appeals for the Eighth Circuit. The final rules, as originally issued, would be effective for the Company in various fiscal years, starting with its Annual Report on Form 10-K for fiscal year 2025. Disclosures pursuant to the final rules, as originally issued, would be required prospectively, with information for prior periods required only to the extent it was previously disclosed in an SEC filing. The Company is currently evaluating the impact of the final rules on its Consolidated Financial Statements and disclosures.

Organization and significant accounting policies (Policies)

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The preparation of financial statements in conformity with generally accepted accounting principles in the United States (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the financial statements and reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.

Significant estimates and assumptions by management affect the Company’s net realizable value of inventory, sales tax liabilities, valuation of market-based stock awards, valuations, fair value of marketable debt securities, expected future cash flows including growth rates, discount rates, terminal values and other assumptions and estimates used to evaluate the recoverability of long-lived assets, estimated fair values of intangible assets and goodwill, amortization methods and periods, warranty reserves, certain accrued expenses, stock-based compensation, contingent consideration from business combinations, and provision for income taxes.

The Company regularly assesses these estimates; however, actual results could differ materially from these estimates. Changes in estimates are recorded in the period in which they become known. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances.

Basis of presentation

The Unaudited Condensed Consolidated Financial Statements and related footnote disclosures as of and for the three months ended March 31, 2024 are unaudited, and are not necessarily indicative of the Company’s operating results for a

full year. The Unaudited Condensed Consolidated Financial Statements include all normal and recurring adjustments necessary for a fair presentation of the Company’s financial results for the three months ended March 31, 2024 in accordance with U.S. GAAP, however, certain information and footnote disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to the U.S. Securities and Exchange Commission (the “SEC”) rules and regulations relating to interim financial statements. These Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the Audited Consolidated Financial Statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K as of and for the fiscal year ended December 31, 2023, filed with the SEC on February 29, 2024 (the “Annual Report”).

The Unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its wholly owned subsidiaries, SAVSU Technologies, Inc. (“SAVSU”), Arctic Solutions, Inc. doing business as Custom Biogenic Systems (“CBS”), SciSafe Holdings, Inc. (“SciSafe”), BioLife Solutions B.V, Global Cooling, Inc. doing business as Stirling Ultracold (“Global Cooling” or “GCI”), and Sexton Biotechnologies, Inc. (“Sexton”). All intercompany accounts and transactions have been eliminated in consolidation.

In the opinion of management, the accompanying Unaudited Condensed Consolidated Financial Statements include all adjustments, consisting of only normal, recurring adjustments necessary for a fair presentation of the financial position, results of operations, and cash flows. The results of operations for the interim periods presented are not necessarily indicative of results to be expected for the entire year.

Foreign currency translation

The Company translates items presented on its Unaudited Condensed Consolidated Balance Sheets, Unaudited Condensed Consolidated Statements of Operations, Unaudited Condensed Consolidated Statements of Comprehensive Loss, Unaudited Condensed Consolidated Statements of Shareholders’ Equity, and Unaudited Condensed Consolidated Statements of Cash Flows into U.S. dollars. For the Company’s subsidiaries that operate in a local currency functional environment, all assets and liabilities are translated into U.S. dollars using current exchange rates at the balance sheet date; revenue and expenses are translated using average exchange rates in effect during each period. Resulting translation adjustments are reported as a separate component of Accumulated Other Comprehensive Loss in the Unaudited Condensed Consolidated Statements of Shareholders' Equity.

Segment reporting

The Company views its operations and makes decisions regarding how to allocate resources and manages its business as one reportable segment and one reporting unit. The Company’s Chief Executive Officer, who is the chief operating decision maker, reviews financial information on an aggregate basis for purposes of allocating resources and evaluating financial performance.

Concentrations of credit risk and business risk

Significant customers are those that represent more than 10% of the Company’s total revenue or gross accounts receivable balances for the periods and as of each balance sheet date presented.

Recent accounting pronouncements

In March 2024, the SEC adopted final rules on the enhancement and standardization of climate-related disclosures of public companies. The final rules require disclosure of, among other things, material climate-related risks and their impact; activities to mitigate or adapt to material climate-related risks; governance and oversight of climate-related risks; and material Scope 1 and/or Scope 2 greenhouse gas emissions with an accompanying assurance report required following an initial transition period, at a limited assurance level, and then following an additional transition period, at a reasonable assurance level. In addition, the effects of severe weather events and other natural conditions, subject to certain thresholds, and amounts related to carbon offsets and renewable energy credits or certificates are required to be disclosed in the notes to the audited financial statements in certain circumstances.

On April 4, 2024, the SEC voluntarily stayed the implementation of the final rules pending the completion of judicial review of the consolidated challenges to the final rules by the Court of Appeals for the Eighth Circuit. The final rules, as originally issued, would be effective for the Company in various fiscal years, starting with its Annual Report on Form 10-K for fiscal year 2025. Disclosures pursuant to the final rules, as originally issued, would be required prospectively, with information for prior periods required only to the extent it was previously disclosed in an SEC filing. The Company is currently evaluating the impact of the final rules on its Consolidated Financial Statements and disclosures.

- Definition

Disclosure of accounting policy for segment reporting.

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