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Significant Accounting Policies (Policies) | 6 Months Ended
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Jun. 30, 2025
Accounting Policies [Abstract] |
Basis of Accounting, Policy [Policy Text Block] | Basis of presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the Unites States of America (“U.S. GAAP”). The results reported in these unaudited condensed consolidated financial statements should not be regarded as necessarily indicative of results that may be expected for any subsequent period or for the entire period. These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with the Company’s annual audited consolidated financial statements for the year ended December 31, 2024, and the notes thereto included in the Company’s Form 10-K filed with the SEC on April 3, 2025. Certain information and footnote disclosures normally included in the audited consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted in the accompanying unaudited condensed consolidated financial statements. All amounts are disclosed in thousands, except share and per share amounts. The accompanying unaudited condensed consolidated financial statements contain all adjustments, consisting only of normal recurring adjustments, except as otherwise indicated, necessary for a fair statement of its consolidated financial position, results of operations, and cash flows of the Company for all periods presented.
Consolidation, Policy [Policy Text Block] | Principles of consolidation These unaudited consolidated financial statements include the financial information of the Company and its subsidiaries. The Company consolidates legal entities in which it holds a controlling financial interest. The Company has a two-tier consolidation model: one focused on voting rights (the voting interest model) and the second focused on a qualitative analysis of power over significant activities and exposure to potentially significant losses or benefits (the variable interest model). All entities are first evaluated to determine whether they are variable interest entities (“VIE”). If an entity is determined not to be a VIE, it is assessed on the basis of voting and other decision-making rights under the voting interest model. The accounts of the subsidiaries are prepared for the same reporting period using consistent accounting policies. All intercompany balances and transactions were eliminated on consolidation
Use of Estimates, Policy [Policy Text Block] | Use of estimates in the preparation of consolidated financial statements The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of expenses during the reporting period. Actual results could differ from those estimates and assumptions, and such differences could be material to the Company’s financial position and results of operations.
Business Combination [Policy Text Block] | Business Combinations The Company accounts for business combinations using the acquisition method of accounting, under which the purchase price of an acquisition is allocated to the assets acquired and liabilities assumed based on their fair values, as determined by management at the acquisition date. Contingent consideration obligations that are elements of consideration transferred are recognized at the acquisition date as part of the fair value transferred in exchange for the acquired business. Contingent consideration arrangements are remeasure at fair value at each reporting period. Examples of critical estimates in valuing certain of the intangible assets acquired include, but are not limited to, future expected cash inflows and outflows, future fundraising assumptions, expected useful life, discount rates and income tax rates. Acquisition-related costs incurred in connection with a business combination are expensed as incurred and are included in general and administrative expenses in the condensed consolidated statements of operations.
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] | Goodwill Goodwill is the excess of consideration paid for an acquired entity over the fair value of the amounts assigned to assets acquired, including other identifiable intangible assets, and liabilities assumed in a business combination. To determine the amount of goodwill resulting from a business combination, the Company performs an assessment to determine the acquisition date fair value of the acquired company’s tangible and identifiable intangible assets and liabilities. Goodwill is required to be evaluated for impairment on an annual basis or whenever events or changes in circumstances indicate the asset may be impaired. An entity has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. These qualitative factors include: macroeconomic and industry conditions, cost factors, overall financial performance and other relevant entity-specific events. If the entity determines that this threshold is met, then the Company may apply a one-step quantitative test and record the amount of goodwill impairment as the excess of a reporting unit’s carrying amount over its fair value, not to exceed the total amount of goodwill allocated to the reporting unit. The Company determines fair value through multiple valuation techniques and weights the results accordingly. The Company is required to make certain subjective and complex judgments in assessing whether an event of impairment of goodwill has occurred, including assumptions and estimates used to determine the fair value of its reporting units. The Company has elected to perform its annual goodwill impairment review on December 31 of each year utilizing a qualitative assessment to determine if it was more likely than not that the fair value of each of its reporting units was less than their respective carrying values.
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] | Intangible assets Identifiable intangible assets primarily include developed technology, software development costs, trade name and non-compete agreements. Amortizable intangible assets are amortized on a straight-line basis over their estimated useful lives and reviewed for impairment whenever events or changes in circumstances indicate that the assets may be impaired. If an indicator of impairment exists, the Company will compare the estimated future cash flows of the asset, on an undiscounted basis, to the carrying value of the asset. If the undiscounted cash flows exceed the carrying value, no impairment is indicated. If the undiscounted cash flows do not exceed the carrying value, then impairment, if any, is measured as the difference between fair value and carrying value, with fair value typically based on a discounted cash flow model.
Inventory, Policy [Policy Text Block] | Inventory Inventory, which consists of material, labor, and manufacturing overhead and are valued at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (“FIFO”) method. The Company periodically reviews the realizability of its inventory for potential excess or obsolescence. Determining the net realizable value of inventory requires management’s judgment. Conditions impacting the realizability of the Company’s inventory could cause actual asset write-offs to be materially different than the Company’s current estimates as of June 30, 2025.
Revenue [Policy Text Block] | Revenue Recognition Revenue consists of EEG testing, equipment rental, equipment sales, the undertaking of projects and clinical studies, and other related services. Revenue is recognized in accordance with ASC 606, “Revenue from Contracts with Customers” (“ASC 606”). The Company performs the following five steps:
| (i) | identify the contract(s) with a customer,
| (ii) | identify the performance obligations in the contract,
| (iii) | determine the transaction price,
| (iv) | allocate the transaction price to the performance obligations in the contract, and
| (v) | recognize revenue when (or as) the entity satisfies a performance obligation.
The Company applies this five-step model to arrangements that meet the definition of a contract under ASC 606, including when it is probable that the entity will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC 606, the Company evaluates the goods or services promised within each contract, related performance obligation and assesses whether each promised good or service is distinct. The Company recognizes as revenue, the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied at a point in time. The Company’s revenues are measured based on the consideration specified in the contract with each customer, net of any sales incentives and taxes collected from customers that are remitted to government authorities. For multiple-element arrangements, revenue is allocated to each performance obligation based on its relative standalone selling price. Standalone selling prices are based on observable prices at which the Company separately sells the products or services. The Company regularly reviews standalone selling prices and updates these estimates, as necessary. The Company offerings are assessed to determine whether an embedded lease arrangement exists. The Company identifies certain contracts to be within the scope of ASC 842 and ASC 606. For contracts that are in the scope of both ASC 842 and ASC 606, and in which the lease component is an operating lease, the Company applies the practical expedient in ASC 842 to combine the lease component and non-lease components, and to account for the combined components as a single lease component. Accordingly, the Company accounts for the monthly payments as lease revenue.
Revenue from Contract with Customer [Policy Text Block] | Deferred revenue Deferred revenue consists of payments received from customers in advance of satisfying a performance obligation identified in accordance with ASC 606. The change in the deferred revenue balance for the six months ended June 30, 2025 and 2024 was driven by payments from customers in advance of satisfying the performance obligations, offset by revenue recognized as performance obligations were completed.
New Accounting Pronouncements, Policy [Policy Text Block] | Impact of recently issued accounting standards In December 2023, the FASB issued ASU 2023-09 “Income Taxes (Topics 740): Improvements to Income Tax Disclosures” to expand the disclosure requirements for income taxes, specifically related to the rate reconciliation and income taxes paid. ASU 2023-09 is effective for the Company's fiscal year 2025. The Company will include such disclosure in its Annual Report on Form 10-K for the year ended December 31, 2025. The Company has evaluated issued Accounting Standards Updates that have not yet been adopted and believes the adoption of these standards will not have a material impact on its condensed consolidated financial statements.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 + Details
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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-1 + Details
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- Definition Disclosure of accounting policy for goodwill. This accounting policy also may address how an entity assesses and measures impairment of goodwill, how reporting units are determined, how goodwill is allocated to such units, and how the fair values of the reporting units are determined. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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- Definition Disclosure of accounting policy for intangible assets. This accounting policy may address both intangible assets subject to amortization and those that are not. The following also may be disclosed: (1) a description of intangible assets (2) the estimated useful lives of those assets (3) the amortization method used (4) how the entity assesses and measures impairment of such assets (5) how future cash flows are estimated (6) how the fair values of such asset are determined. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 + Details
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- Definition Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483080/330-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483489/210-10-50-1 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 912 -SubTopic 330 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478411/912-330-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483080/330-10-50-4 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 6 -Subparagraph (a) -SubTopic 10 -Topic 270 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482989/270-10-45-6 + Details
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