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Significant Accounting Policies (Policies) | 3 Months Ended
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Mar. 31, 2026
Accounting Policies [Abstract] |
Consolidation, Policy [Policy Text Block] | Principles of Consolidation The Company's condensed consolidated financial statements include the accounts of UPL and its subsidiary, UPI. Intercompany balances and transactions have been eliminated during consolidation.
Use of Estimates, Policy [Policy Text Block] | Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expense during the reporting period. Actual results may differ from those estimates. As applicable to the unaudited condensed consolidated financial statements, the critical accounting estimates relate to the fair value of share-based compensation, measurement of revenue, estimate of uncertain tax positions, and measurement of liabilities accounted for under the interest method.
Foreign Currency Transactions and Translations Policy [Policy Text Block] | Functional Currency The U.S. dollar (“Dollar” or "dollar") is the currency of the primary economic environment in which the operations of the Company are conducted. Therefore, the functional currency of the Company is the Dollar. Accordingly, transactions in currencies other than the Dollar are measured and recorded in the functional currency using the exchange rate in effect at the date of the transaction. At the balance sheet date, monetary assets and liabilities that are denominated in currencies other than the Dollar are measured using the official exchange rate at the balance sheet date. The effects of foreign currency re-measurements are recorded in the condensed consolidated statements of operations as “Interest and other income, net.”
Cash, Cash Equivalents and Marketable Securities Policy [Policy Text Block] | Cash and Cash Equivalents; Marketable Securities The Company presents all highly liquid investments with an original maturity of three months or less when purchased as cash equivalents. Cash and cash equivalents generally consist of money market funds and bank money market accounts and are stated at cost, which approximates fair value. Cash and cash equivalents and marketable securities totaled $140.3 million as of March 31, 2026. The Company accounts for its investments, which include cash equivalents and marketable securities, as available-for-sale in accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 320, “Investments — Debt and Equity Securities”. Available-for-sale debt securities are carried at fair value with unrealized gains and losses reported in accumulated other comprehensive income (loss) within the condensed consolidated statements of shareholders’ deficit. Realized gains and losses are recorded as a component of interest and other income, net. The cost of securities sold is based on the specific-identification method. Certain short-term investments are valued using models or other valuation methodologies that use Level 2 inputs. These models are primarily industry-standard models that consider various assumptions, including time value, yield curve, volatility factors, default rates, current market and contractual prices for the underlying financial instruments, as well as other relevant economic measures. The majority of these assumptions are observable in the marketplace, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace. For individual debt securities classified as available-for-sale securities where there has been a decline in fair value below amortized cost, the Company determines whether the decline resulted from a credit loss or other factors. The Company records impairment relating to credit losses through an allowance for credit losses, limited by the amount that the fair value is less than the amortized cost basis. Impairment that has not been recorded through an allowance for credit losses is recorded through other comprehensive income, net of applicable taxes. Restricted cash is related primarily to cash held to secure corporate credit cards; restricted deposits are related to cash held to secure leases.
Concentration Risk, Credit Risk, Policy [Policy Text Block] | Concentration of Credit Risk Financial instruments, which potentially subject the Company to significant concentrations of credit risk, consist primarily of cash and cash equivalents and marketable securities. The primary objectives for the Company’s investment portfolio are the preservation of capital and the maintenance of liquidity. The Company does not enter into any investment transactions for trading or speculative purposes. The Company’s investment policy limits investments to certain types of instruments such as certificates of deposit, money market instruments, obligations issued by the U.S. government and U.S. government agencies as well as corporate debt securities, and places restrictions on maturities and concentration by type and issuer. The Company maintains cash balances in excess of amounts insured by the Federal Deposit Insurance Corporation and concentrated within a limited number of financial institutions. The accounts are monitored by management to mitigate the risk. The Company’s accounts receivables are composed of net sales of Jelmyto and Zusduri arising from the Company's arrangements with two customers, both of which are third-party national specialty distributors. The Company assesses the need for an allowance for doubtful accounts primarily based on creditworthiness, historical payment experience and general economic conditions. The Company has not experienced any credit losses related to arrangements with customers and has not currently recognized any allowance for doubtful accounts.
Income Tax, Policy [Policy Text Block] | Income Taxes The Company provides for income taxes based on pretax income, if any, and applicable tax rates available in the various jurisdictions in which it operates, including Israel and the United States. Deferred taxes are computed using the asset and liability method. Under the asset and liability method, deferred income tax assets and liabilities are determined based on the differences between the financial reporting and tax bases of assets and liabilities and are measured using the currently enacted tax rates and laws. A valuation allowance is recognized to the extent that it is more likely than not that the deferred taxes will not be realized in the foreseeable future. The Company follows a two-step approach in recognizing and measuring uncertain tax positions. After concluding that a particular filing position can be recognized (i.e., has a more-likely-than-not chance of being sustained), ASC 740-10-30-7 requires that the amount of benefit recognized be measured using a methodology based on the concept of cumulative probability. Under this methodology, the amount of benefit recorded represents the largest amount of tax benefit that is greater than 50% likely to be realized upon settlement with a taxing authority that has full knowledge of all relevant information. See Note 17 for further discussion related to income taxes.
Inventory, Policy [Policy Text Block] | Inventory The Company capitalizes inventory costs related to products to be sold in the ordinary course of business. The Company makes a determination of capitalizing inventory costs for a product based on, among other factors, status of regulatory approval, information regarding safety, efficacy and expectations relating to commercial sales and recoverability of costs. For both Jelmyto and Zusduri, the Company commenced capitalization of inventory at the receipt of FDA approval. Costs related to inventories that are not expected to be manufactured and sold within the next 12 months are classified as long-term assets and presented within "Other non-current assets" on the condensed consolidated balance sheets. The Company values its inventory at the lower of cost or net realizable value. The Company measures inventory approximating actual cost under a first-in, first-out basis. The Company assesses recoverability of inventory each reporting period to determine any write down to net realizable value resulting from excess or obsolete inventories.
Property, Plant, and Equipment [Policy Text Block] | Property and Equipment Property and equipment are recorded at historical cost, net of accumulated depreciation, amortization and, if applicable, impairment charges. The Company reviews its property and equipment assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Property and equipment are depreciated over the following useful lives (in years):
|  | Useful Lives |
Computers and software |  | 3 |
Laboratory equipment |  | 3 - 6.5 |
Furniture |  | 5 - 16.5 |
Manufacturing equipment |  | 2 - 10 |
Leasehold improvements are amortized on a straight-line basis over the shorter of their estimated useful lives or lease terms. See Note 8 for further discussion regarding property and equipment.
Prepaid Forward Obligation Policy [Policy Text Block] | Prepaid Forward Obligation The Company is party to a transaction with RTW Investments (the “RTW Transaction”) in which the Company received funds to support the launch of Jelmyto and the development of Zusduri in return for tiered, future cash payments based on net sales of Jelmyto and Zusduri, and, subject to FDA approval, UGN-103 and UGN-104. The net proceeds received under the RTW Transaction were recognized as a long-term liability. The Company recognizes the current cash payable amounts under the arrangement within other current liabilities on the condensed consolidated balance sheets. The subsequent measurement for the liability follows the accounting principles defined in ASC Topic 835-30, “Imputation of Interest”. See Note 9 for further discussion related to the prepaid forward obligation.
Debt, Policy [Policy Text Block] | Long-Term Debt The Company is party to a loan agreement with funds managed by Pharmakon Advisors, L.P. (“Pharmakon”). The Company recognizes interest expense in current earnings, and accrued interest within other current liabilities on the condensed consolidated balance sheets. The Company recognizes capitalized financing expenses as a direct offset to the long-term debt on the Company's condensed consolidated balance sheets, and amortizes them over the term of the debt using the effective interest method. See Note 10 for further discussion related to long-term debt.
Lessee, Leases [Policy Text Block] | Leases The Company is a lessee in several noncancelable operating and finance leases, primarily for office space, office equipment and vehicles. The Company accounts for leases in accordance with ASC Topic 842, “Leases.” The Company determines if an arrangement is a lease at inception. The Company additionally evaluates leases at their inception to determine if they are to be accounted for as an operating lease or a finance lease. Right-of-use (“ROU”) assets and lease liabilities are recognized based on the present value of lease payments over the lease term as of the commencement date. Certain adjustments to the ROU assets may be required for items such as initial direct costs paid or incentives received. Operating and finance lease ROU assets are presented as right-of-use assets on the condensed consolidated balance sheets. The current portion of lease liabilities is included in other current liabilities, and the long-term portion is presented separately as long-term lease liabilities on the condensed consolidated balance sheets. Lease expense for operating leases is recognized on a straight-line basis over the lease term. For finance leases, the expense consists of interest on the lease liability and amortization of the ROU asset. Variable lease payments associated with the Company’s leases are recognized when the event, activity, or circumstance in the lease agreement on which those payments are assessed occurs. Variable lease payments are presented as selling, general and administrative expenses in the condensed consolidated statements of operations. The Company has elected the practical expedient to not separate between lease and non-lease components. The Company’s lease terms may include options to extend the lease. The lease extensions are included in the measurement of the ROU asset and lease liability when it is reasonably certain that it will exercise that option. Because the implicit rates of return on the Company’s leases are not readily determinable, the Company uses an incremental borrowing rate, based on the information available at the commencement date, to determine the present value of lease payments on an individual lease basis. The Company’s incremental borrowing rate for a lease is the rate of interest it would have to pay on a collateralized basis to borrow an amount equal to the lease payments under similar terms. ROU assets for operating leases are periodically reviewed for impairment losses under ASC 360-10, “Property, Plant, and Equipment”, to determine whether an ROU asset is impaired, and if so, the amount of the impairment loss to recognize.
Revenue [Policy Text Block] | Revenue Net revenue from product sales is recognized at the transaction price when the specialty distributors obtain control of the Company’s products, which occurs at a point in time, typically upon delivery of the product to the treating physician or mixing pharmacy. All product sales of Jelmyto and Zusduri are recognized through the Company's arrangements with two customers as defined by ASC 606, both of which are third-party national specialty distributors. Net revenue recognized includes gross revenue and management’s estimate of returns, consideration paid to the customers, such as rebates, chargebacks relating to differences between the wholesale acquisition cost and the contracted price offered to the end consumer, chargebacks relating to 340B drug pricing programs and other government sponsored programs, Medicaid drug rebate programs, the Company’s copay assistance program, and Medicare refunds for discarded drug, which are estimated based on the contractual or statutory terms governing the arrangements and the Company’s historical experience.
Research and Development Expense, Policy [Policy Text Block] | Research and Development Expenses Research and development costs are expensed as incurred and consist primarily of the cost of salaries, share-based compensation expenses, payroll taxes and other employee benefits, subcontractors and materials used for research and development activities, including nonclinical studies, clinical trials, manufacturing costs and professional services. The costs of services performed by others in connection with the research and development activities of the Company, including research and development conducted by others on behalf of the Company, are included in research and development costs and expensed as the contracted work is performed. The Company accrues for costs incurred as the services are being provided by monitoring the status of the trial or project and the invoices received from its external service providers. The Company adjusts its accrual as actual costs become known. Where contingent milestone payments are due to third parties under research and development arrangements or license agreements, the milestone payment obligations are expensed when such development milestone results are achieved. When a transaction accounted for as an asset acquisition includes in-process research and development (“IPR&D”), the IPR&D asset is only capitalized as an intangible asset if it is determined to have an alternative future use other than in a particular research and development project. Otherwise, acquired IPR&D is recognized as research and development expenses in the period the transaction is closed.
Selling, General and Administrative Expenses, Policy [Policy Text Block] | Selling, General and Administrative Expenses Selling, general and administrative expenses consist primarily of personnel costs (including share-based compensation related to directors, employees and consultants). Other significant costs include commercial, medical affairs, external professional service costs, facility costs, accounting and audit services, legal services and other consulting fees. Selling, general and administrative costs are expensed as incurred, and the Company accrues for services provided by third parties related to the above expenses by monitoring the status of services provided and receiving estimates from its service providers and adjusting its accruals as actual costs become known.
Share-Based Payment Arrangement [Policy Text Block] | Share-Based Compensation Share-based compensation cost is measured at the grant date based on the fair value of the award and is recognized as expense over the required service period, which is equal to the vesting period. For performance stock units (“PSUs”), cost is measured at the grant date based on the fair value of the award and is recognized over any relevant service period as expense when the achievement of the performance condition is probable. PSUs that include both a performance condition and a service condition are subject to graded vesting, and the related compensation cost is recognized on a straight-line basis over the requisite service period for each separately vesting tranche. The fair value of options is determined using the Black-Scholes option-pricing model. The fair value of a restricted stock unit (“RSU”) or a PSU equals the closing price of the Company’s ordinary shares on the grant date. The Company accounts for forfeitures as they occur in accordance with ASC Topic 718, “Compensation—Stock Compensation”. The Company elected to recognize compensation costs for awards conditioned only on continued service that have a graded vesting schedule using the straight-line method and to value the awards based on the single-option award approach.
Stockholders' Equity, Policy [Policy Text Block] | Pre-funded Warrants The Company issued pre-funded warrants in connection with both a private placement transaction and a public offering transaction that are accounted for as a freestanding equity-linked financial instrument that meets the criteria for equity classification under ASC 480, “Distinguishing Liabilities from Equity,” and ASC 815, “Derivatives and Hedging.” Accordingly, the Company classifies the pre-funded warrants as a component of permanent shareholders’ equity within additional paid-in capital and records them at the applicable issuance date using a relative fair value allocation method. The Company valued the pre-funded warrants at the applicable issuance date, concluding that their sales price approximated their fair value, and allocated the net sales proceeds from the applicable equity transaction proportionately to the ordinary shares and pre-funded warrants.
Earnings Per Share, Policy [Policy Text Block] | Net Loss per Ordinary Share Basic net loss per share is computed by dividing the net loss attributable to ordinary shareholders by the weighted-average number of ordinary shares outstanding. Diluted net loss per share is computed similarly to basic net loss per share except that the denominator is increased to include the number of additional ordinary shares that would have been outstanding if the potential ordinary shares had been issued and if the additional ordinary shares were dilutive. For all periods presented, potentially dilutive securities are excluded from the computation of fully diluted loss per share as their effect is anti-dilutive. Such potentially dilutive securities consist solely of outstanding restricted share units and stock options issued under the Company’s share-based compensation plans. See Note 16 Share-based Compensation for more information. The Company’s pre-funded warrants require the holder to pay nominal consideration to receive the Company’s ordinary shares and are therefore considered outstanding shares in determining basic and diluted earnings per share in accordance with ASC Topic 260, “Earnings per Share.”
New Accounting Pronouncements, Policy [Policy Text Block] | Recently Adopted or Issued Accounting Pronouncements In November 2024, the FASB issued Accounting Standards Update No. 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40) ("ASU 2024-03"), which provides guidance to improve the disclosures about a public business entity’s expenses. Public entities must adopt the new guidance for fiscal years beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. The Company is currently evaluating the potential impact of the adoption of ASU 2024-03 on the Company’s financial disclosures. In July 2025, the FASB issued Accounting Standards Update No. 2025-05, Measurement of Credit Losses for Accounts Receivable and Contract Assets (“ASU 2025-05”), which clarifies the application of the current expected credit losses (CECL) model under ASC 326 to current accounts receivable and contract assets arising from transactions accounted for under ASC 606, Revenue from Contracts with Customers. The guidance, which is effective for fiscal years beginning after December 15, 2025, including interim periods within those fiscal years, was adopted by the Company on January 1, 2026 on a prospective basis. The adoption of ASU 2025-05 did not have a material impact on the Company's consolidated financial position, results of operations, or cash flows as the Company’s trade receivables primarily arise from product sales recognized at a point in time and are due from two large, established customers, both of which are third-party national specialty distributors, with short payment terms. The Company has reviewed other Accounting Standards Updates recently issued by the FASB and determined that none of these pronouncements will have a significant impact on the Company's condensed consolidated financial statements and related disclosures.

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