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Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2025
Accounting Policies [Abstract] |
Consolidation, Policy [Policy Text Block] | Basis of consolidation The accompanying consolidated financial statements include the assets, liabilities and expenses of DiaMedica Therapeutics Inc., and our wholly-owned subsidiaries, DiaMedica USA, Inc. and DiaMedica Australia Pty Ltd. All significant intercompany transactions and balances have been eliminated in consolidation.
Functional Currency [Policy Text Block] | Functional currency The United States dollar is our functional currency as it represents the economic effects of the underlying transactions, events and conditions and various other factors, including the currency of historical and future expenditures and the currency in which funds from financing activities are mostly generated by the Company. A change in the functional currency occurs only when there is a material change in the underlying transactions, events and condition. A change in functional currency could result in material differences in the amounts recorded in the consolidated statements of operations and comprehensive loss for foreign exchange gains and losses. All amounts in the accompanying consolidated financial statements are in U.S. dollars unless otherwise indicated.
Segment Reporting, Policy [Policy Text Block] | Segments The Company operates in a single segment focusing on developing potentially transformative treatments for severe ischemic diseases. Consistent with the Company’s operational structure, its chief operating decision maker manages and allocates resources for the Company at a consolidated level. Therefore, results of the Company's operations are reported on a consolidated basis for purposes of segment reporting. Substantially all assets of the Company are held in the United States.
Use of Estimates, Policy [Policy Text Block] | Use of estimates The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and the accompanying notes. Actual results could differ from those estimates.
Cash and Cash Equivalents, Policy [Policy Text Block] | Cash and cash equivalents The Company considers all bank deposits, including money market funds and other investments, purchased with an original maturity to the Company of three months or less, to be cash and cash equivalents. The carrying amount of the Company’s cash equivalents approximates fair value due to the short maturity of the investments.
Marketable Securities, Policy [Policy Text Block] | Marketable securities The Company’s marketable securities may consist of obligations of the United States government and its agencies, bank certificates of deposit and investment grade corporate obligations, which are classified as available-for-sale. Marketable securities which mature within 12 months from their purchase date are included in current assets. Securities are generally valued based on market prices for similar assets using third-party certified pricing sources and are carried at fair value. The amortized cost of marketable securities is adjusted for amortization of premiums or accretion of discounts to maturity. Such amortization or accretion is included in interest income. Realized gains and losses, if any, are calculated on the specific identification method. Interest income is included in other income in the consolidated statements of operations. We conduct periodic reviews to identify and evaluate each available-for-sale debt security that is in an unrealized loss position in order to determine whether an other-than-temporary impairment exists. An unrealized loss exists when the current fair value of an individual security is less than its amortized cost basis. Declines in fair value considered to be temporary and caused by noncredit-related factors of the issuer, are recorded in accumulated other comprehensive income or loss, which is a separate component of shareholders’ equity. Declines in fair value that are other than temporary or caused by credit-related factors of the issuer, are recorded within earnings as an impairment loss. There were no material other-than-temporary unrealized losses as of December 31, 2025 or 2024.
Concentration Risk, Credit Risk, Policy [Policy Text Block] | Concentration of credit risk Financial instruments that potentially expose the Company to concentration of credit risk consist primarily of cash, cash equivalents and marketable securities. The Company maintains its cash balances primarily with two financial institutions. These balances generally exceed federally insured limits. The Company has not experienced any losses in such accounts and believes it is not exposed to any significant credit risk in cash and cash equivalents. The Company believes that the credit risk related to marketable securities is limited due to the adherence to an investment policy focused on the preservation of principal.
Fair Value Measurement, Policy [Policy Text Block] | Fair value measurements Under the authoritative guidance for fair value measurements, fair value is defined as the exit price, or the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants as of the measurement date. The authoritative guidance also establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs market participants would use in valuing the asset or liability developed based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that reflect the Company’s assumptions about the factors market participants would use in valuing the asset or liability developed based upon the best information available in the circumstances. The categorization of financial assets and financial liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The hierarchy is broken down into three levels defined as follows: Level 1 Inputs — quoted prices in active markets for identical assets and liabilities Level 2 Inputs — observable inputs other than quoted prices in active markets for identical assets and liabilities Level 3 Inputs — unobservable inputs As of December 31, 2025, the Company believes that the carrying amounts of its other financial instruments, including amounts receivable, accounts payable and accrued liabilities, approximate their fair value due to the short-term maturities of these instruments. See Note 4, titled “Marketable Securities” for additional information.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] | Long-lived assets Property and equipment are stated at purchased cost less accumulated depreciation. Depreciation of property and equipment is computed using the straight-line method over their estimated useful lives of three to ten years for office equipment and four years for computer equipment. Upon retirement or sale, the cost and related accumulated depreciation are removed from the consolidated balance sheets and the resulting gain or loss is reflected in the consolidated statements of operations and comprehensive loss. Repairs and maintenance are expensed as incurred. Long-lived assets are evaluated for impairment when events or changes in circumstances indicate that the carrying amount of the asset or related group of assets may not be recoverable. If the expected future undiscounted cash flows are less than the carrying amount of the asset, an impairment loss is recognized at that time. Measurement of impairment may be based upon appraisal, market value of similar assets or discounted cash flows.
Lessee, Leases [Policy Text Block] | Leases We determine if an arrangement is a lease at inception. We have made a policy election to not separate lease and non-lease components for our real estate leases to the extent they are fixed. Non-lease components that are not fixed are expensed as incurred as variable lease expense. Our facility lease includes variable non-lease components, such as common-area maintenance costs. Our operating lease is included in operating lease right-of-use (“ROU”) asset and operating lease obligations on our consolidated balance sheets. Our operating lease ROU asset represents our right to use an underlying asset for the lease term and operating lease liabilities represent our obligation to make lease payments arising from the lease. The operating lease ROU asset and operating lease obligation are recognized based on the present value of lease payments over the lease term. The lease does not provide an implicit rate and, due to the lack of a commercially salable product, we are generally considered unable to obtain commercial credit. Therefore, considering the quoted rates for the lowest investment-grade debt and the interest rates implicit in recent financing leases, we estimated our incremental borrowing rate. The operating lease ROU asset excludes lease incentives. Our lease includes an option to extend or terminate the lease; lease terms are only adjusted for these options when it is reasonably certain that we will exercise such options to extend or terminate the lease. Lease expense is recognized on a straight-line basis over the lease term. Assumptions made by us at the commencement date are re-evaluated upon occurrence of certain events, including a lease modification. A lease modification results in a separate contract when the modification grants the lessee an additional right of use not included in the original lease and when lease payments increase commensurate with the standalone price for the additional right of use. When a lease modification results in a separate contract, it is accounted for in the same manner as a new lease.
Research and Development Expense, Policy [Policy Text Block] | Research and development costs Research and development expenses consist primarily of fees paid to external service providers such as contract research organizations; clinical support services; clinical development including clinical site costs; outside nursing services; and laboratory testing. R&D costs also include non-clinical testing; fees paid to our contract manufacturing and development organizations and outside laboratories for development of DM199 and related manufacturing processes; costs for production runs of DM199; consulting resources with specialized expertise related to the execution of our development plan for DM199; and personnel costs, including salaries, benefits, non-cash share-based compensation expense; and other personnel costs. We charge research and development costs to expense when incurred. Our human clinical trials are performed at clinical trial sites and are administered jointly by us with assistance from various contract research organizations. Upfront costs of setting up clinical trial sites are accrued upon execution of the study agreement. Expenses related to the performance of clinical trials are recorded or accrued based on actual invoices received and estimates of work completed to date by clinical trial sites, contract research organizations and outside vendors that assist with management and performance of the trials, and those that manufacture the investigational product. While we utilize electronic data capture systems to facilitate the transmission and capture of clinical trial activity, such information is often incomplete or delayed. Therefore, we are required to estimate the levels of performance under each significant contract, including, among other things, the extent of participant enrollment, the extent of supporting services performed and other activities through communications with the clinical trial sites, CROs and supporting vendors and adjust the estimates, if required, on a quarterly basis so that clinical expenses reflect the actual work performed at each clinical trial site and by each CRO or supporting vendor. Additionally, actual costs may be charged to us and are recognized as the tasks are completed by the clinical trial site. Accrued R&D costs may be subject to revisions as clinical trials, non-clinical research and DM199 development programs progress and any revisions are recorded in the period in which the facts that give rise to the revisions become known.
Patent Costs [Policy Text Block] | Patent costs Costs associated with applying for, prosecuting and maintaining patents are expensed as incurred given the uncertainty of patent approval and, if approved, the resulting probable future economic benefit to the Company. Patent-related costs, consisting primarily of legal expenses and filing/maintenance fees, are included in general and administrative costs and were $377,000 and $251,000 for the years ended December 31, 2025 and 2024, respectively.
Compensation Related Costs, Policy [Policy Text Block] | Share-based compensation The cost of employee and non-employee services received in exchange for awards of equity instruments is measured and recognized based on the estimated grant date fair value of those awards. Compensation cost is recognized ratably using the straight-line attribution method over the vesting period, which is considered to be the requisite service period. We record forfeitures in the periods in which they occur. The fair value of option awards is estimated at the date of grant using the Black-Scholes option pricing model. The determination of the fair value of share-based awards is affected by our share price, as well as assumptions regarding a number of complex and subjective variables. Risk free interest rates are based upon United States Government bond rates appropriate for the expected term of each award. Expected volatility rates are based on the historical volatility over a period equal to the expected term of the option. The assumed dividend yield is zero, as we do not expect to declare any dividends in the foreseeable future. The expected term of options is estimated considering the vesting period at the grant date, the life of the option and the average length of time similar grants have remained outstanding in the past.
Income Tax, Policy [Policy Text Block] | Income taxes Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the consolidated financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry-forwards. Deferred tax assets and liabilities are measured using enacted rates for each of the jurisdictions in which the Company operates, and expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in operations in the period that includes the enactment date. Valuation allowances are established when necessary to reduce deferred tax assets to the amount that is more likely than not to be realized. The Company has provided a full valuation allowance against the gross deferred tax assets as of December 31, 2025 and 2024. See Note 16, titled “Income Taxes” for additional information. The Company’s policy is to classify interest and penalties related to income taxes as income tax expense.
Earnings Per Share, Policy [Policy Text Block] | Net loss per share We compute net loss per share by dividing our net loss (the numerator) by the weighted-average number of common shares outstanding (the denominator) during the period. Shares issued during the period and shares reacquired during the period, if any, are weighted for the portion of the period that they were outstanding. The computation of diluted earnings per share, or EPS, is similar to the computation of basic EPS except that the denominator is increased to include the number of additional common shares that would have been outstanding if the dilutive potential common shares had been issued. Our diluted EPS is the same as basic EPS due to the exclusion of common share equivalents as their effect would be anti-dilutive. The following table summarizes our calculation of net loss per common share for the periods presented (in thousands, except share and per share data):
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Net loss |  | $ | (32,766 | ) |  | $ | (24,444 | )
Weighted average shares outstanding—basic and diluted |  |  | 46,980,777 |  |  |  | 40,404,681 |
Basic and diluted net loss per share |  | $ | (0.70 | ) |  | $ | (0.60 | )
The following outstanding potential common shares were not included in the diluted net loss per share calculations as their effects were not dilutive:
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Employee and non-employee stock options |  |  | 6,864,854 |  |  |  | 4,692,438 |
Common shares issuable upon settlement of deferred stock units |  |  | 174,515 |  |  |  | 284,886 |
|  |  | 7,039,369 |  |  |  | 4,977,324 |
New Accounting Pronouncements, Policy [Policy Text Block] | Recently adopted accounting pronouncements In December 2023, the FASB issued ASU No. 2023-09, Improvements to Income Tax Disclosures (“ASU 2023-09”). ASU 2023-09 is intended to improve income tax disclosures primarily through enhanced disclosure of income tax rate reconciliation items, and disaggregation of income (loss) from continuing operations, income tax expense (benefit) and income taxes paid, net disclosures by federal, state and foreign jurisdictions, among others. ASU 2023-09 is effective for annual reporting periods beginning after December 15, 2024, and early adoption is permitted. Adoption of ASU 2023-09 did not have a material effect on the Company's consolidated financial statements and disclosures. Recently issued accounting pronouncements In November 2024, the FASB issued ASU No. 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (ASU 2024-03), which is intended to improve disclosures about a public business entity’s expenses by requiring disaggregated disclosure, in the notes to the consolidated financial statements, of certain categories of expenses included in the financial statements. ASU 2024-03 is effective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. ASU 2024-03 may be applied either on a prospective or retrospective basis, and early adoption is permitted. The Company is currently evaluating the potential impact of the adoption of ASU 2024-03 on its consolidated financial statement disclosures.

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