Use of Estimates, Policy [Policy Text Block]

Use of Estimates

The preparation of condensed consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities and expenses and the disclosure of contingent assets and liabilities in its condensed consolidated financial statements and the reported amounts of expenses during the reporting period. The most significant estimates in the Company’s condensed consolidated financial statements relate to the allowance for credit losses on accounts receivable, fair value of the convertible notes payable, fair value of warrant liabilities, fair value of stock options and warrants, fair value of the Common Stock shares granted for services, fair value of the purchase price and the assets acquired and liabilities assumed in business combinations, the fair value of intangible assets and goodwill, the fair value of lease liabilities and related right of use assets, and the utilization of deferred tax assets. These estimates and assumptions are based on current facts, historical experience and various other factors believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the recording of expenses that are not readily apparent from other sources. Actual results may differ materially and adversely from these estimates. To the extent there are material differences between the estimates and actual results, the Company’s future results of operations will be affected.

Fair Value of Financial Instruments, Policy [Policy Text Block]

Fair Value of Financial Instruments

FASB ASC Topic 820, Fair Value Measurements (“ASC 820”), provides guidance on the development and disclosure of fair value measurements. Under this accounting guidance, fair value is defined as 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 at the measurement date. 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 a liability.

The accounting guidance classifies fair value measurements in one of the following three categories for disclosure purposes:

Level 1: Quoted prices in active markets for identical assets or liabilities.

Level 2: Inputs other than Level 1 prices for similar assets or liabilities that are directly or indirectly observable in the marketplace.

Level 3: Unobservable inputs which are supported by little or no market activity and values determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant judgment or estimation. (Refer to Note 14)

Concentration Risk, Credit Risk, Policy [Policy Text Block]

Concentration of Credit Risk and Off-Balance Sheet Risk

Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash and cash equivalents. Cash equivalents are occasionally invested in certificates of deposit. The Company maintains each of its cash balances with high-quality and accredited financial institutions and accordingly, such funds are not exposed to unusual credit risk beyond the normal credit risk associated with commercial banking relationships. Deposits in financial institutions may, from time to time, exceed federally insured limits. As of September 30, 2025, the Company’s cash and cash equivalents balance within money market accounts was in excess of the U.S. federally insured limits by $6.9 million. The Company has not experienced any losses on its deposits of cash. The Company maintains a portion of its cash and cash equivalent balances in the form of a money market account with a financial institution that management believes to be creditworthy.

Credit Loss, Financial Instrument [Policy Text Block]

Allowance for credit losses

Accounts receivable are recorded at the estimated transaction price (net of contractual adjustments, discounts, and implicit price concessions). The Company applies the Current Expected Credit Loss (“CECL”) model to estimate lifetime expected credit losses on trade receivables and contract assets, pooling receivables by payer type and aging and incorporating historical loss experience, current conditions, and reasonable‑and‑supportable forecasts with reversion to historical loss information beyond the forecast horizon. Receivables are written off when collection is deemed remote; recoveries are recognized when received. The Company does not have any off-balance sheet credit exposure related to its customers.

As part of the acquisition of Dura on September 8, 2025, accounts receivable were recorded at fair value, which reflected expected collectability (see Note 17 Business Combinations). Post-acquisition, the Company continues to apply the CECL model to estimate expected credit losses. The allowance for credit losses was $0.1 million as of September 30, 2025 and December 31, 2024, respectively. The company recorded a credit loss recovery of less than $0.1 million during the three and nine months ended September 30, 2025. The Company believes that its reserve is adequate; however, actual results may differ in future periods.

Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]

Goodwill

Goodwill represents the excess of the cost of an acquired business over the fair value assigned to its net assets. Goodwill is not amortized but is tested for impairment at a reporting unit level on an annual basis or when an event occurs, or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. Events or changes in circumstances that may trigger interim impairment reviews include, but not limited to, significant adverse changes in business climate, operating results, planned investments in the reporting unit, or an expectation that the carrying amount may not be recoverable, among other factors.

The Company may first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events and circumstances, the Company determines it is more likely than not that the fair value of the reporting unit is greater than its carrying amount, an impairment test is unnecessary. If an impairment test is necessary, the Company will estimate the fair value of its related reporting units. If the carrying value of a reporting unit exceeds its fair value, the goodwill of that reporting unit is determined to be impaired, and the Company will proceed with recording an impairment charge equal to the excess of the carrying value over the related fair value.

During the nine months ended September 30, 2025, the Company recorded goodwill in connection with a business acquisition. In evaluating whether a triggering event occurred during the period, the Company performed a qualitative assessment consistent with the guidance in U.S. GAAP. This assessment considered the totality of events and circumstances, including the existence of substantial doubt to continue as a going concern, and concluded that it is not more likely than not (i.e., less than a 50% likelihood) that the fair value of the reporting unit is below its carrying amount. Based on this assessment, no impairment charges related to goodwill were recorded for the periods presented.

Revenue [Policy Text Block]

Revenue Recognition

The Company accounts for revenue under FASB ASC Topic 606, Revenue for Contract with Customers (“ASC 606”) or other accounting standards for revenue not derived from customers. Arrangements may include licenses to intellectual property, research services, and participation on joint research committees. The Company evaluates the promised goods or services to determine which promises, or group of promises, represent performance obligations. In contemplation of whether a promised good or service meets the criteria required of a performance obligation, the Company considers the stage of research, the underlying intellectual property, the capabilities and expertise of the customer relative to the underlying intellectual property, and whether the promised goods or services are integral to or dependent on other promises in the contract. When accounting for an arrangement that contains multiple performance obligations, the Company must develop judgmental assumptions, which may include market conditions, timelines, and probabilities of regulatory success to determine the stand-alone selling price for each performance obligation identified in the contract.

The Company enters into contractual arrangements that may include licenses to intellectual property and research and development services. When such contractual arrangements are determined to be accounted for in accordance with ASC 606, the Company evaluates the promised good or services to determine which promises, or group of promises, represent performance obligations. When accounting for an arrangement that contains multiple performance obligations, the Company must develop judgmental assumptions, which may include market conditions, timelines, and probabilities of regulatory success to determine the stand-alone selling price for each performance obligation identified in the contract.

The License Agreement (the “License Agreement”) with Alvogen Pharma US, Inc., Alvogen, Inc., and Lotus Pharmaceutical Co. Ltd. (collectively, “Alvogen”) (as further discussed in Note 9 below) was accounted for in accordance with ASC 606. In accordance with ASC 606, the Company recognizes revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC 606, it 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 within the contract; and
	v.	recognize revenue when (or as) the entity satisfies a performance obligation.

The Company only applies the five-step model to contracts when it determines that it is probable it 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 assesses the goods or services promised within the contract to determine whether each promised good or service is a performance obligation. The promised goods or services in the Company’s arrangements typically consist of a license to intellectual property and research services. The Company may provide options to additional items in such arrangements, which are accounted for as separate contracts when the customer elects to exercise such options, unless the option provides a material right to the customer. Performance obligations are promises in a contract to transfer a distinct good or service to the customer that (i) the customer can benefit from on its own or together with other readily available resources, and (ii) is separately identifiable from other promises in the contract. Goods or services that are not individually distinct performance obligations are combined with other promised goods or services until such combined group of promises meet the requirements of a performance obligation.

The Company determines transaction price based on the amount of consideration the Company expects to receive for transferring the promised goods or services in the contract. Consideration may be fixed, variable, or a combination of both. At contract inception for arrangements that include variable consideration, the Company estimates the probability and extent of consideration it expects to receive under the contract utilizing either the most likely amount method or expected amount method, whichever best estimates the amount expected to be received. The Company then considers any constraints on the variable consideration and includes in the transaction price variable consideration to the extent it is deemed probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved.

The Company then allocates the transaction price to each performance obligation based on the relative standalone selling price and recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) control is transferred to the customer and the performance obligation is satisfied. For performance obligations which consist of licenses and other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress. The Company evaluates the measure of progress for each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

The Company records amounts as accounts receivable when the right to consideration is deemed unconditional. When consideration is received, or such consideration is unconditionally due, from a customer prior to transferring goods or services to the customer under the terms of a contract, a contract liability is recorded as deferred revenue.

The Company’s revenue arrangements may include the following:

Milestone Payments: At the inception of an agreement that includes milestone payments, the Company evaluates each milestone to determine when and how much of the milestone to include in the transaction price. The Company first estimates the amount of the milestone payment that the Company could receive using either the expected value or the most likely amount approach. The Company primarily uses the most likely amount approach as that approach is generally most predictive for milestone payments with a binary outcome. Then, the Company considers whether any portion of that estimated amount is subject to the variable consideration constraint (that is, whether it is probable that a significant reversal of cumulative revenue would not occur upon resolution of the uncertainty.) The Company updates the estimate of variable consideration included in the transaction price at each reporting date which includes updating the assessment of the likely amount of consideration and the application of the constraint to reflect current facts and circumstances.

Royalties: For arrangements that include sales-based royalties, including milestone payments based on a level of sales, and the license is deemed to be the predominant item to which the royalties relate, the Company will recognize revenue at the later of (i) when the related sales occur, or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied (or partially satisfied).

Research Services: The Company incurred research costs in association with the License Agreement. After the First Milestone Payment (as defined in Note 9 below), the Company would have been reimbursed for certain costs incurred related to reasonable and documented out-of-pocket costs for clinical and non-clinical development activities. The Company would have recognized revenue for the reimbursed costs when the First Milestone Payment contingencies had been achieved, and the Company had an enforceable claim to the reimbursed costs.

Patient Service Revenue: Patient service revenue is recognized as performance obligations are satisfied, which occurs over time as patients simultaneously receive and consume services. Each treatment or visit generally represents a separate contract. Procedural services (e.g., ketamine infusions, esketamine administration, TMS sessions, SGB/epidural procedures) are recognized at the point in time when rendered; therapy and medication management services are recognized as sessions occur. The transaction price includes variable consideration such as contractual adjustments, expected denials, and implicit price concessions, which are estimated and constrained to amounts not expected to reverse. The Company applies the portfolio approach for contracts with similar characteristics by payer and service type. The Company elected the practical expedient not to assess a significant financing component because the period between service and payment is one year or less. The Company acts as principal in its patient service arrangements and records revenue on a gross basis.

Patient service revenue is primarily derived from services rendered to patients for outpatient behavioral health care, interventional psychiatry, and pain management procedures. The Company’s services have no fixed duration and can generally be terminated by the patient or the Company at any time; therefore, each treatment or visit is considered its own stand-alone contract.

The Company disaggregates Patient service revenue from contracts with customers by service type including procedural services and therapy services and by payor type including commercial insurance, Medicare, and self-pay. Management believes this presentation best reflects the nature, amount, timing, and uncertainty of the Company’s patient service revenue and cash flows.

Cost of Patient Services

Cost of patient services includes direct costs associated with providing healthcare services, such as salaries and benefits for clinical personnel, medical supplies, pharmaceuticals, and other costs directly attributable to patient care. These costs are expensed as incurred.

Deferred Charges, Policy [Policy Text Block]

Non-cancellable Contracts

The Company may record certain obligations as liabilities related to non-cancellable contracts. If appropriate, the offsetting costs may be recorded as a deferred cost asset.

Share-Based Payment Arrangement [Policy Text Block]

Stock-Based Compensation

The Company expenses stock-based compensation to employees and non-employees over the requisite service period based on the estimated grant-date fair value of the awards. The Company accounts for forfeitures as they occur. Stock-based awards with graded-vesting schedules are recognized on a straight-line basis over the requisite service period for each separately vesting portion of the award. The Company estimates the fair value of stock option grants using the Black-Scholes option pricing model, and the assumptions used in calculating the fair value of stock-based awards represent management’s best estimates and involve inherent uncertainties and the application of management’s judgment. The Company estimates the fair value of restricted stock award grants using the closing trading price of the Company’s Common Stock on the date of issuance. All stock-based compensation costs are recorded in general and administrative or research and development costs in the condensed consolidated statements of operations and comprehensive loss based upon the underlying individual’s role at the Company.

Stockholders' Equity, Policy [Policy Text Block]

Preferred Stock

In accordance with ASC 480, the Company’s Series A preferred stock was classified as permanent equity as it was not mandatorily redeemable upon an event that is considered outside of the Company’s control. Further, in accordance with ASC 815-40, Derivatives and Hedging – Contracts in an Entity’s Own Equity, the Series A preferred stock did not meet any of the criteria that would preclude equity classification. The Company concluded that the Series A preferred stock was more akin to an equity-type instrument than a debt-type instrument, therefore the conversion features associated with the convertible preferred stock were deemed to be clearly and closely related to the host instrument and were not bifurcated as a derivative under ASC 815.

Income Tax, Policy [Policy Text Block]

Income Taxes

Income taxes are recorded in accordance with FASB ASC Topic 740, Income Taxes (“ASC 740”), which provides for deferred taxes using an asset and liability approach. The Company recognizes deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements or tax returns. Deferred tax assets and liabilities are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. Valuation allowances are provided, if based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740. When uncertain tax positions exist, the Company recognizes the tax benefit of tax positions to the extent that the benefit would more likely than not be realized assuming examination by the taxing authority. The determination as to whether the tax benefit will more likely than not be realized is based upon the technical merits of the tax position as well as consideration of the available facts and circumstances. The Company recognizes any interest and penalties accrued related to unrecognized tax benefits as income tax expense.

New Accounting Pronouncements, Policy [Policy Text Block]

Recent Accounting Pronouncements Not Yet Adopted

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies and are adopted by the Company as of the specified effective date.

In December 2023, the FASB issued ASU 2023-09-Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”), which is intended to enhance the transparency and decision usefulness of income tax disclosures, primarily by amending disclosure requirements for the effective tax rate reconciliation and income taxes paid. ASU 2023-09 should be applied on a prospective basis, and retrospective application is permitted. ASU 2023-09 is effective for annual periods beginning after December 15, 2024. Early adoption is permitted. The Company is currently evaluating the presentational impact of this ASU and expects to adopt its provisions in the Annual Report on Form 10-K for the year ending December 31, 2025.

In November 2024, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (“ASU 2024-03”) and in January 2025, the FASB issued ASU No. 2025-01, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date, which clarified the effective date of ASU 2024-03. ASU 2024-03 will require the Company to disclose the amounts of purchases of inventory, employee compensation, depreciation, and intangible asset amortization, as applicable, included in certain expense captions in the Consolidated Statements of Operations, as well as qualitatively describe remaining amounts included in those captions. ASU 2024-03 will also require the Company to disclose both the amount and the Company’s definition of selling expenses. The Company will adopt ASU 2024-03 in its annual report for the year ended December 31, 2026.

In May 2025, the FASB issued ASU No. 2025-03, Business Combinations (Topic 805) and Consolidation (Topic 810): Determining the Accounting Acquirer in the Acquisition of a Variable Interest Entity (“VIE”), which provides clarifying guidance on determining the accounting acquirer in certain transactions involving VIEs. The update aims to improve consistency and comparability in financial reporting. The guidance will be effective for annual periods beginning after December 15, 2026, including interim periods within those annual periods. Early adoption is permitted. Upon adoption, the guidance will be applied prospectively. The Company is currently evaluating the provisions of the amendments and the impact on its future financial statements.

In July 2025, the FASB issued ASU 2025-05, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets. This standard provides all entities with a practical expedient to assume that current conditions as of the balance sheet date do not change for the remaining life of the current accounts receivable and current contract assets. ASU 2025-05 is effective for fiscal years beginning after December 15, 2025 and interim periods within those fiscal years, with early adoption permitted. The Company is currently evaluating the impact of adopting ASU 2025-05.

In September 2025, the FASB issued ASU 2025-06, Intangibles-Goodwill and Other-Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software, to modernize the accounting guidance for internal-use software costs. The standard removes all references to software development project stages and instead requires capitalization when (i) management has authorized and committed to funding the software project and (ii) it is probable that the project will be completed and the software will be used to perform the function intended. ASU 2025-06 is effective for fiscal years beginning after December 15, 2027 and interim periods within those fiscal years, with early adoption permitted. The Company is currently evaluating the impact of adopting ASU 2025-06.