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Significant Accounting Policies (Policies) | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Consolidation, Policy [Policy Text Block] | Principles of Consolidation The accompanying unaudited condensed consolidated financial statements, which include the accounts of the Company and its wholly-owned subsidiary, Convergen Biotech, Inc., have been prepared in accordance with US GAAP for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. All significant intercompany balances and transactions are eliminated in consolidation. As of September 30, 2025, Convergen Biotech, Inc. has yet to initiate operating activity.
Change in Accounting Principle [Policy Text Block] | Change in Accounting Principle During the year ended December 31, 2024, the Company changed an accounting principle related to accounting treatment of intellectual property expenditures. Previously, the Company capitalized certain intellectual property costs associated with the filing or maintenance of specific patents, including application costs, filing fees, and patent prosecution, in accordance with ASC 350-30. The Company voluntarily changed this accounting principle to expense, rather than capitalize, these intellectual property costs on the basis that the new treatment is favorable.
Reverse Stock Split [Policy Text Block] | Reverse Stock Split On February 2, 2024, Genprex completed a 1-for-40 reverse stock split (“2024 Reverse Split”) of its issued and outstanding shares of common stock. The 2024 Reverse Split did not change the number of authorized shares of common stock or par value. All references in these unaudited condensed consolidated financial statements to shares, share prices, exercise prices, and other per share information in all periods have been adjusted, on a retroactive basis, to reflect the 2024 Reverse Split (see Note 4 – Equity – Reverse Stock Split). On October 21, 2025, Genprex completed a 1-for-50 reverse stock split (“2025 Reverse Split”) of its issued and outstanding shares of common stock. The 2025 Reverse Split did not change the number of authorized shares of common stock or par value. All references in these financial statements to shares, share prices, exercise prices, and other per share information in all periods have been adjusted, on a retroactive basis, to reflect the 2025 Reverse Split (See Note 4 – Equity – Reverse Stock Split).
Use of Estimates, Policy [Policy Text Block] | Use of Estimates The preparation of Genprex’s unaudited condensed consolidated financial statements in conformity with US GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of expenses during the reporting period. Actual results could differ from those estimates.
Cash and Cash Equivalents, Policy [Policy Text Block] | Cash and Cash Equivalents Genprex considers all highly liquid short-term investments with an initial maturity of three months or less to be cash equivalents. Any amounts of cash in financial institutions which exceed Federal Deposit Insurance Corporation (“FDIC”) insured limits expose the Company to cash concentration risk. The Company has cash in a money market account and had $853,280 and $1,351,625 in excess of FDIC insured limits of $250,000 at September 30, 2025 and December 31, 2024, respectively. Any loss incurred or a lack of access to such funds could have a significant adverse impact on the Company’s financial condition, results of operations, and cash flows.
Earnings Per Share, Policy [Policy Text Block] | Net Loss Per Share Basic net loss per share is calculated by dividing the net loss by the weighted-average number of shares of common stock outstanding for the period, without consideration for potential dilutive shares of common stock, which includes common stock equivalents consisting of (i) 45,313 unexercised options granted by the Company’s board of directors and unexercised warrants to purchase shares of common stock, and (ii) 1,360 unvested restricted stock units granted by the Company’s board of directors representing the right upon vesting to receive shares of common stock, in each case as of September 30, 2025.
Segment Reporting, Policy [Policy Text Block] | Segments Operating segments are defined as components of an entity for which separate discrete financial information is made available and that is regularly evaluated by the chief operating decision maker (“CODM”) in making decisions regarding resource allocation and assessing performance. The Company’s CODM is its Chief Executive Officer and the Company manages its operations as a single segment for the purposes of assessing performance and making operating decisions. The Company is focused on pioneering the discovery and development of gene therapies for use in patient populations with unmet medical needs. See “Note 8 – Segment Reporting” for additional disclosures related to segment reporting.
Fair Value of Financial Instruments, Policy [Policy Text Block] | Fair Value of Financial Instruments The carrying amounts reported in the condensed consolidated balance sheets for cash, money-market savings account, accounts receivable, and accounts payable approximate fair value because of the immediate or short-term maturity of these financial instruments. Accounting Standards Codification ("ASC") 820, Fair Value Measurements and Disclosures, defines fair value, provides a consistent framework for measuring fair value under GAAP and expands fair value financial statement disclosure requirements. ASC 820’s valuation techniques are based on observable and unobservable inputs. Observable inputs reflect readily obtainable data from independent sources, while unobservable inputs reflect our market assumptions. ASC 820 classifies these inputs into the following hierarchy: Level 1: Quoted prices for identical instruments in active markets. Level 2: Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable. Level 3: Instruments with primarily unobservable value drivers.
Property, Plant and Equipment, Policy [Policy Text Block] | Property and Equipment Property and equipment are stated at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets, which range from three to five years. Routine maintenance and repairs are charged to expense as incurred and major renovations or improvements are capitalized.
Research and Development Expense, Policy [Policy Text Block] | Research and Development Costs Research and development expenditures consist of costs incurred to conduct research, develop engineering materials for further study, and develop clinical strategies for current and future programs associated with the Company’s preclinical and Phase 1/2 clinical trials. These expenditures are expensed in the period incurred and include payments to collaborative research partners, manufacturing partners and consultants, and clinical strategy partners, wages and associated employee benefits, facilities, and overhead costs. Materials acquired to be used in clinical research, that have an alternative future use, are capitalized when the materials are acquired, and included in research and development supplies. These supplies are recognized as expense as they are consumed through use for testing or clinical activities, or have spoiled. The costs of materials that were acquired for a particular research and development activity and have no alternative future use are expensed in the period acquired. Research and development supplies purchased, valued at cost, and capitalized for future use were $1,847,412 and $2,046,858 at September 30, 2025 and December 31, 2024, respectively.
Intangible Assets, Finite-Lived, Policy [Policy Text Block] | Intellectual Property Intellectual property consists of legal and related costs associated with patents, trademarks, and other proprietary technology and rights developed, acquired, or licensed by Genprex. Costs related to filing and pursuing patent applications are expensed as incurred, as recoverability of such expenditures is uncertain. These patent-related legal costs are reported as a component of general and administrative expenses.
Share-Based Payment Arrangement [Policy Text Block] | Accounting for Stock-Based Compensation Genprex uses the fair value-based method of accounting for stock-based compensation for options granted to employees, independent consultants and contractors. The Company measures options granted at fair value determined as of the grant date and recognizes the expense over the periods in which the options vest or are expected to vest and related services are rendered based on the terms and conditions of the award. Generally, where the award only has a service condition, the requisite service period is the same as the vesting period.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] | Long-Lived Assets Genprex reviews long-lived assets and certain identifiable intangibles held and used for possible impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. In evaluating the fair value and future benefits of its intangible assets, the Company performs an analysis of the anticipated undiscounted future net cash flow of the individual assets over the remaining amortization period. The Company recognizes an impairment loss if the carrying value of the asset exceeds the discounted expected future cash flows. During the nine months ended September 30, 2025, there were no deemed impairments of the Company’s long-lived assets.
Derivatives, Policy [Policy Text Block] | Derivative Liability The Company evaluates all features contained in financing agreements to determine if there are any embedded derivatives that require separate accounting from the underlying agreement under ASC 815 – Derivatives and Hedging. An embedded derivative that requires separation is accounted for as a separate asset or liability from the host agreement. The derivative asset or liability is accounted for at fair value, with changes in fair value recognized in the condensed consolidated statement of operations within the other financing costs line item. The Company determined that certain features under the Equity Line of Credit (see Note 4 – Equity – Equity Line of Credit) qualified as an embedded derivative. The derivative liability is accounted for separately from the Equity Line of Credit Purchase Agreement and is accounted for at fair value. $243,000 has been recorded on the accompanying condensed consolidated balance sheet as of September 30, 2025, related to this derivative liability.
Warrant Modification {Policy Text Block] | Modification of Equity Classified Warrants A change in the terms or conditions of a warrant is accounted for as a modification. For a warrant modification accounted for under ASC 815, the effect of a modification shall be measured as the difference between the fair value of the modified warrant over and the fair value of the original warrant immediately before its terms are modified, with each measured on the modification date. The accounting for any incremental fair value of the modified warrants over the original warrants is based on the specific facts and circumstances related to the modification. When a modification is directly attributable to an equity offering, the incremental change in fair value of the warrants is accounted for as an equity issuance cost. When a modification is directly attributable to a debt financing, the incremental change in fair value of the warrants is accounted for as a debt discount or debt issuance cost. For all other modifications, the incremental change in fair value is recognized as a deemed dividend. During the nine months ended September 30, 2025, there were no modifications of equity classified warrants. During the nine months ended September 30, 2024 the Company recognized a modification of an equity classified warrant as a deemed dividend.
New Accounting Pronouncements, Policy [Policy Text Block] | Recent Accounting Developments Accounting pronouncements issued but not effective until after September 30, 2025, are not expected to have a significant effect on the Company’s financial condition, results of operations, or cash flows. In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures,” which modifies the rules on income tax disclosures to require disaggregated information about a reporting entity’s effective tax rate reconciliation as well as information on income taxes paid. The standard is intended to benefit investors by providing more detailed income tax disclosures that would be useful in making capital allocation decisions. The guidance is effective for annual periods beginning after December 15, 2024, with early adoption permitted. The Company is currently evaluating the effect the amendments in ASU 2023-09 will have on its tax disclosures.

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- Definition Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-1 + Details
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