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Note 2 - Significant Accounting Policies | 9 Months Ended
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Sep. 30, 2024
Notes to Financial Statements |
Significant Accounting Policies [Text Block] | Note 2. Significant Accounting Policies Use of Estimates The Company makes estimates and assumptions in preparing its condensed consolidated financial statements in conformity with GAAP. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amount of revenue earned and expenses incurred during the reporting period. The Company evaluates its estimates on an ongoing basis, including those estimates related to common stock warrant liabilities, clinical trials and manufacturing agreements. Actual results could differ from these estimates and assumptions. Cash and Cash Equivalents and Concentration of Credit Risk The Company invests in cash and cash equivalents. The Company considers highly liquid financial instruments with original maturities of three months or less to be cash equivalents. Highly liquid investments that are considered cash equivalents include money market accounts and funds, certificates of deposit, and U.S. Treasury securities. The Company maintains its cash and cash equivalents at one financial institution. Restricted Cash Restricted cash consists of funds placed in an escrow account for the express purpose of paying the settlement with the U.S. Securities and Exchange Commission ("SEC") discussed in Note 11. The settlement is subject to final approval by a U.S. District Court, after which the funds in escrow will be released to the SEC. Fair Value Measurements The Company recognizes financial instruments in accordance with the authoritative guidance on fair value measurements and disclosures for financial assets and liabilities. This guidance defines fair value, establishes a framework for measuring fair value in accordance with GAAP, and expands disclosures about fair value measurements. The guidance also establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include:
| ● | Level 1 includes quoted prices in active markets.
| ● | Level 2 includes significant observable inputs, such as quoted prices for identical or similar securities, or other inputs that are observable and can be corroborated by observable market data for similar securities. The Company uses market pricing and other observable market inputs obtained from third-party providers. It uses the bid price to establish fair value where a bid price is available. The Company does not have any financial instruments where the fair value is based on Level 2 inputs at September 30, 2024 and December 31, 2023.
| ● | Level 3 includes unobservable inputs that are supported by little or no market activity. The Company does not have any financial instruments where the fair value is based on Level 3 inputs at September 30, 2024.
If a financial instrument uses inputs that fall in different levels of the hierarchy, the instrument will be categorized based upon the lowest level of input that is significant to the fair value calculation. The fair value of cash and cash equivalents was based on Level 1 inputs at September 30, 2024 and December 31, 2023. The fair value of common stock warrants of $6.71 per warrant was determined at distribution on January 3, 2024 using a Monte Carlo valuation model since the warrants were not traded on the open market on January 3, 2024. Warrant trading on Nasdaq began on January 4, 2024. Quantitative information regarding Level 3 fair value measurements for common stock warrants are as follows:
Exercise price per warrant |  | $ | 33.00 |
Conversion rate - common shares per warrant |  |  | 1.50 |
Closing price of common stock |  | $ | 23.72 |
Volatility |  |  | 75 | %
Risk-free interest rate |  |  | 5.40 | %
Expected life of option (in years) |  |  | 0.3 |
Dividend yield |  | zero |
The common stock warrants stopped trading on Nasdaq after May 2, 2024 and subsequently had little or no market activity. As of May 7, 2024, the warrants were presumed to have no value since they were redeemed for a nominal payment of $0.001 per warrant. Business Segments The Company reports segment information based on how it internally evaluates the operating performance of its business units, or segments. The Company’s operations are confined to one business segment: the development of novel drugs and diagnostics. Stock-based Compensation ﻿ The Company recognizes non-cash expense for the fair value of all stock options and other share-based awards. The Company uses the Black-Scholes option valuation model to calculate the fair value of stock options, using the single-option award approach and straight-line attribution method. This model requires the input of subjective assumptions including expected stock price volatility, expected life and estimated forfeitures of each award. These assumptions consist of estimates of future market conditions, which are inherently uncertain, and therefore, are subject to management's judgment. For all options granted, it recognizes the resulting fair value as expense on a straight-line basis over the vesting period of each respective stock option, generally two to four years. ﻿ The Company has granted share-based awards that vest upon achievement of certain performance criteria (“Performance Awards”). The Company multiplies the number of Performance Awards by the fair value of its common stock on the date of grant to calculate the fair value of each award. It estimates an implicit service period for achieving performance criteria for each award. The Company recognizes the resulting fair value as expense over the implicit service period when it concludes that achieving the performance criteria is probable. It periodically reviews and updates as appropriate its estimates of implicit service periods and conclusions on achieving the performance criteria. Performance Awards vest and common stock is issued upon achievement of the performance criteria. Net Income (Loss) per Share ﻿ Basic net income (loss) per common share is computed by dividing the net income (loss) available to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income (loss) per common share is computed by dividing the net income (loss) available to common stockholders by the weighted-average number of common shares outstanding and potentially dilutive securities outstanding during the period using the treasury stock method. Potentially dilutive securities are excluded from the computations of diluted earnings per share if their effect would be anti-dilutive. A net loss causes all potentially dilutive securities to be anti-dilutive. Potentially dilutive securities consist of outstanding common stock options and Performance Awards. There is no difference between the Company’s net income (loss) and comprehensive net income (loss). The numerators and denominators in the calculation of basic and diluted net loss per share were as follows (in thousands, except net loss per share data):
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Numerator, basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (27,943 | ) |  | $ | (25,651 | ) |  | $ | 3,255 |  |  | $ | (76,298 | )
Denominator, basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 47,976 |  |  |  | 42,002 |  |  |  | 45,734 |  |  |  | 41,845 |
Net income (loss) per share, basic |  | $ | (0.58 | ) |  | $ | (0.61 | ) |  | $ | 0.07 |  |  | $ | (1.82 | )
Numerator, diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (27,943 | ) |  | $ | (25,651 | ) |  | $ | 3,255 |  |  | $ | (76,298 | )
Adjustment for change in fair value of warrant liabilities |  |  | — |  |  |  | — |  |  |  | (43,793 | ) |  |  | — |
Adjusted numerator, diluted |  | $ | (27,943 | ) |  | $ | (25,651 | ) |  | $ | (40,538 | ) |  | $ | (76,298 | )
Denominator, diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 47,976 |  |  |  | 42,002 |  |  |  | 45,734 |  |  |  | 41,845 |
Dilutive effect of common stock warrants |  |  | — |  |  |  | — |  |  |  | 367 |  |  |  | — |
Weighted average dilutive common shares |  |  | 47,976 |  |  |  | 42,002 |  |  |  | 46,101 |  |  |  | 41,845 |
Net income (loss) per share, diluted |  | $ | (0.58 | ) |  | $ | (0.61 | ) |  | $ | (0.88 | ) |  | $ | (1.82 | )
Dilutive common stock options excluded from net income (loss) per share, diluted |  |  | 2,949 |  |  |  | 1,780 |  |  |  | 2,772 |  |  |  | 1,938 |
Dilutive Performance Awards excluded from net income (loss) per share, diluted |  |  | 7 |  |  |  | 7 |  |  |  | 7 |  |  |  | 7 |
The Company excluded common stock options and Performance Awards outstanding for the three months ended September 30, 2024 and 2023 from the calculation of net loss per share, diluted, because the effect of including outstanding options and Performance Awards would have been anti-dilutive. The Company excluded common stock options and Performance Awards outstanding for the nine months ended September 30, 2024 and 2023 from the calculation of net loss per share, diluted, because the effect of including outstanding options and Performance Awards would have been anti-dilutive. Warrant Liabilities The Company accounts for warrants as either equity-classified or liability-classified instruments based on an assessment of the warrant’s specific terms and in accordance with the Financial Accounting Standards Board (“FASB“) Accounting Standards Codification (“ASC“) 480, “Distinguishing Liabilities from Equity” (“ASC 480“), and ASC 815, “Derivatives and Hedging” (“ASC 815“). The assessment considers whether the warrants are freestanding financial instruments pursuant to ASC 480, meet the definition of a liability pursuant to ASC 480, and whether the warrants meet all of the requirements for equity classification under ASC 815, including whether the warrants are indexed to the Company’s own shares, among other conditions for equity classification. This assessment, which requires the use of professional judgment, is conducted at the time of warrant issuance and as of each subsequent quarterly period end date while the warrants are outstanding. For issued or modified warrants that meet all of the criteria for equity classification, the warrants are required to be recorded as a component of additional paid-in capital at the time of issuance. For issued or modified warrants that do not meet all the criteria for equity classification, the warrants are required to be recorded at their initial fair value of the date of issuance, and each balance sheet date thereafter. Changes in the estimated fair value of liability classified warrants are recognized as a non-cash gain or loss on the statements of operations. Costs associated with issuing the warrants classified as derivative liabilities are charged to operations when the warrants are issued. Fair Value of Financial Instruments Financial instruments include accounts payable, accrued expenses, accrued development expense and other liabilities. The estimated fair value of certain financial instruments may be determined using available market information or other appropriate valuation methodologies. However, considerable judgment is required in interpreting market data to develop estimates of fair value; therefore, the estimates are not necessarily indicative of the amounts that could be realized or would be paid in a current market exchange. The effect of using different market assumptions and/or estimation methodologies may be material to the estimated fair value amounts. The carrying amounts of accounts payable, accrued expenses, accrued development expense and other liabilities are at cost, which approximates fair value due to the short maturity of those instruments. Research Contracts, Prepaids and Accruals The Company has entered into various research and development contracts with research institutions and other third-party vendors. These agreements are generally cancelable. Related payments are recorded as research and development expenses as incurred. The Company records prepaids and accruals for estimated ongoing research costs. When evaluating the adequacy of prepaid expenses and accrued liabilities, the Company analyzes progress of the studies including the phase or completion of events, invoices received and contracted costs. Significant judgments and estimates are made in determining the prepaid and accrued balances at the end of any reporting period. Actual results could differ from the Company’s estimates. The Company’s historical prepaid and accrual estimates have not been materially different from actual costs. Incentive Bonus Plan In 2020, the Company established the 2020 Cash Incentive Bonus Plan (the “CIB Plan”) to incentivize CIB Plan participants. Awards under the CIB Plan are accounted for as liability awards under ASC 718 “Stock-based Compensation”. The fair value of each potential CIB Plan award will be determined once a grant date occurs and will be remeasured each reporting period. Compensation expense associated with the CIB Plan will be recognized over the expected achievement period for each CIB Plan award, when a Performance Condition (as defined below) is considered probable of being met. See Note 10 for further discussion of the CIB Plan. Leases The Company recognizes assets and liabilities that arise from leases. For operating leases, the Company is required to recognize a right-of-use asset and a lease liability, initially measured at the present value of the lease payments during the lease term, in the condensed consolidated balance sheets. The Company elected the short-term lease recognition exemption for all leases that qualify. This means, for those leases that qualify, the Company does not recognize right-of-use assets or lease liabilities. As the Company`s leases do not provide an implicit rate, it uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of lease payments. Lease expense for lease payments is recognized on a straight-line basis over the lease term. Property and Equipment Property and equipment are recorded at cost, net of accumulated depreciation. Depreciation is recorded using the straight-line method over the estimated useful lives of the assets. Owned buildings and related improvements have estimated useful lives of 39 years and approximately 10 years, respectively. Tenant improvements are amortized using the straight-line method over the useful lives of the improvements or the remaining term of the corresponding leases, whichever is shorter. Property and equipment are reviewed for impairment when events or changes in circumstances indicate the carrying amount of an asset may not be recoverable. If property and equipment are considered to be impaired, an impairment loss is recognized. Intangible Assets Acquired intangible assets are recorded at fair value at the date of acquisition and primarily consist of lease-in-place agreements and leasing commissions. Intangible assets are amortized over the estimated life of the lease-in-place agreements. Intangible assets also include leasing commissions which are amortized over the life of the lease agreement. Intangible assets are reviewed for impairment on an annual basis, and when there is reason to believe that their values have been diminished or impaired. If intangible assets are considered to be impaired, an impairment loss is recognized. Insurance Recoveries We record proceeds from our insurance policies when the loss event has occurred, and proceeds are estimable and probable of being recovered. Insurance recoveries and proceeds received are recorded as a reduction to general and administrative expense. There was approximately $1.1 million of insurance recoveries recorded during the three months ended September 30, 2024. There were no insurance recoveries recorded during the three months ended September 30, 2023. There was approximately $9.9 million and $0.1 million of insurance recoveries recorded during the nine months ended September 30, 2024 and 2023, respectively. The applicable policy year has a $10.0 million recovery limit which has been reached at September 30, 2024. Related Party Transactions Included in accrued compensation and benefits at September 30, 2024 is approximately $1.7 million of accrued severance costs for two former senior officers of the Company, including our former Chief Executive Officer. On July 16, 2024, the Company entered into a one-year consulting agreement with the Company’s former Senior Vice President, Neuroscience. Pursuant to the terms of the consulting agreement, the consultant is providing services for purposes of providing information and support for scientific research and/or obtaining governmental approval for the Company’s products. The Company will pay $500 per hour for such consulting services. The Company incurred fees totaling $29,000 under the consulting agreement during the three months ended September 30, 2024. Income Taxes The Company accounts for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax balances are adjusted to reflect tax rates based on currently enacted tax laws, which will be in effect in the years in which the temporary differences are expected to reverse. The Company has accumulated significant deferred tax assets that reflect the tax effects of net operating loss and tax credit carryovers and temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Realization of certain deferred tax assets is dependent upon future earnings. The Company is uncertain about the timing and amount of any future earnings. Accordingly, the Company offsets these deferred tax assets with a valuation allowance. The Company accounts for uncertain tax positions in accordance with ASC 740, “Income Taxes”, which clarifies the accounting for uncertainty in tax positions. These provisions require recognition of the impact of a tax position in the Company’s condensed consolidated financial statements only if that position is more likely than not of being sustained upon examination by taxing authorities, based on the technical merits of the position. Any interest and penalties related to uncertain tax positions will be reflected as a component of income tax expense. Recently Issued Accounting Pronouncements In November 2023, the FASB issued Accounting Standards Update, or ASU, No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. This standard requires disclosure of significant segment expenses and other segment items by reportable segment. The ASU becomes effective for annual periods beginning in 2024 and interim periods in 2025. The Company is evaluating the impact of adopting this standard on its consolidated financial statements and disclosures. In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. This standard enhances disclosures related to income taxes, including the rate reconciliation and information on income taxes paid. The ASU becomes effective January 1, 2025. The Company is evaluating the impact of adopting this standard on its consolidated financial statements and disclosures.

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