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Revenue | 12 Months Ended
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Dec. 31, 2024
Revenue from Contract with Customer [Abstract] |
Revenue | 9. Revenue Product Revenue, Net Net product revenue was zero and $1.0 million for the years ended December 31, 2024 and 2023, respectively. Products are sold primarily to wholesalers and specialty pharmacies. Revenue is reduced from wholesaler list price at the time of recognition for expected chargebacks, rebates, discounts, incentives, and returns, which are referred to as gross to net (“GTN”) adjustments. These reductions are currently attributed to various commercial arrangements. Chargebacks and discounts are recognized as a reduction in accounts receivable or as accrued expenses based on their nature and settled through the issuance of credits to the customer or through cash payments to the customer, respectively. All other returns, rebates, and incentives are reflected as accrued expenses and settled through cash payments to the customer. Three wholesalers comprised 44%, 28%, and 26% of the Company’s gross revenue for the year ended December 31, 2023. The following table summarizes activity in each of the Company’s product revenue provision and allowance categories as of December 31, 2024 and 2023 (in thousands):
|  | Discounts and Chargebacks (1) |  |  | Product Returns (2) |  |  | Rebates and Incentives (3) |  |  | Product Recall (4) |  |  | Total |
Balance as of December 31, 2022 |  | $ | 255 |  |  | $ | 73 |  |  | $ | 1,213 |  |  | $ | — |  |  | $ | 1,541 |
Provision related to current period revenue |  |  | 1,256 |  |  |  | 307 |  |  |  | 1,320 |  |  |  | 3,057 |  |  |  | 5,940 |
Changes in estimate related to prior period revenue |  |  | (11 | ) |  |  | 1,185 |  |  |  | (86 | ) |  |  | — |  |  |  | 1,088 |
Credit/payments |  |  | (1,500 | ) |  |  | (1,529 | ) |  |  | (2,358 | ) |  |  | (1,125 | ) |  |  | (6,512 | )
Balance as of December 31, 2023 |  | $ | — |  |  | $ | 36 |  |  | $ | 89 |  |  | $ | 1,932 |  |  | $ | 2,057 |
|  | Discounts and Chargebacks (1) |  |  | Product Returns (2) |  |  | Rebates and Incentives (3) |  |  | Product Recall (4) |  |  | Total |
Balance as of December 31, 2023 |  | $ | — |  |  | $ | 36 |  |  | $ | 89 |  |  | $ | 1,932 |  |  | $ | 2,057 |
Changes in estimate related to prior period revenue |  |  | — |  |  |  | 51 |  |  |  | (26 | ) |  |  | — |  |  |  | 25 |
Credit/payments |  |  | — |  |  |  | — |  |  |  | (44 | ) |  |  | (1,374 | ) |  |  | (1,418 | )
Balance as of December 31, 2024 |  | $ | — |  |  | $ | 87 |  |  | $ | 19 |  |  | $ | 558 |  |  | $ | 664 |
(1) Discounts and chargebacks include fees for wholesaler fees, prompt pay and other discounts, and chargebacks. Discounts and chargebacks are deducted from gross revenue at the time revenues are recognized and are included as a reduction in accounts receivable or as an accrued expense based on their nature on the Company’s consolidated balance sheet. (2) Provisions for product returns are deducted from gross revenues at the time revenues are recognized and are included in accrued expenses on the Company’s consolidated balance sheet. (3) Rebates and incentives include rebates and co-pay program incentives. Provisions for rebates and incentives are deducted from gross revenues at the time revenues are recognized and are included in accrued expenses on the Company’s consolidated balance sheets. (4) Provisions for product recall are deducted from gross revenues to the extent of revenue recorded related to the recalled product and are included in accrued expenses on the Company’s consolidated balance sheet. GSK License Agreement On March 30, 2023 and as amended in December 2023, the Company entered into the GSK License Agreement. Pursuant to the terms of the GSK License Agreement, the Company granted GSK an exclusive (even as to the Company and its affiliates), royalty-bearing, sublicensable license for the development, manufacture, and commercialization of ibrexafungerp, including the approved product BREXAFEMME, for all indications, in all countries other than Greater China and certain other countries already licensed to third parties (the “GSK Territory”). If the existing licenses granted to or agreements with third parties are terminated with respect to any country, GSK will have an exclusive first right to negotiate with the Company to add those additional countries to the GSK Territory. The parties closed the transactions contemplated by the GSK License Agreement in May 2023. The Company retains rights to all other assets, with GSK receiving a right of first negotiation (“ROFN”) to any other enfumafungin-derived compounds or products that the Company may control. Under the terms of the original GSK License Agreement, the Company received a nonrefundable upfront payment of $90 million in May 2023. The Company was initially also eligible to receive potential: • regulatory approval milestone payments of up to $70 million; • commercial milestone payments of up to $115 million based on first commercial sale in invasive candidiasis (U.S./EU); and • and sales milestone payments of up to $242.5 million based on annual net sales, with a total of $77.5 million to be paid upon achievement of multiple thresholds up through $200 million; a total of $65 million to be paid upon achievement of multiple thresholds between $300 million and $500 million; and $50 million to be paid at each threshold of $750 million and $1 billion. As previously disclosed, the Company became aware that a non-antibacterial beta-lactam drug substance was manufactured using equipment common to the manufacturing process for ibrexafungerp. Current FDA draft guidance recommends segregating the manufacture of non-antibacterial beta-lactam compounds from other compounds since beta-lactam compounds have the potential to act as sensitizing agents that may trigger hypersensitivity or an allergic reaction in some people. In the absence of the recommended segregation, there is a risk of cross contamination. It is not known whether any ibrexafungerp has been contaminated with a beta-lactam compound. Nonetheless, in light of this risk and out of an abundance of caution, BREXAFEMME (ibrexafungerp tablets) was recalled from the market and clinical studies of ibrexafungerp were placed on temporary hold. On December 26, 2023, the Company and GSK entered into a binding memorandum of understanding ("Binding MOU") for amendment to the GSK License Agreement. The GSK License Agreement was amended in connection with the delay in the commercialization of BREXAFEMME and further clinical development of ibrexafungerp associated with this event. Under the terms of the updated GSK License Agreement, as amended by Binding MOU, the Company is now eligible to receive potential: • regulatory approval milestone payments of up to $49 million (revised from up to $70 million as provided in the GSK License Agreement); • commercial milestone payments of up to $57.5 million based on first commercial sale in invasive candidiasis (U.S./EU) (revised from up to $115 million as provided in the GSK License Agreement); and • and sales milestone payments of up to $179.5 / $169.75 / $145.5 million (depending on the date of GSK’s relaunch of BREXAFEMME in the U.S.) (revised from up to $242.5 million as provided in the GSK License Agreement). These milestones are based on annual net sales in the GSK Territory, with a total of $64 / $54.25 / $46.5 million to be paid upon achievement of multiple sales thresholds up through $200 million; a total of $45.5 / $45.5 / $39 million to be paid upon achievement of multiple sales thresholds between $300 million and $500 million; and $35 / $35 / $30 million to be paid at each sales threshold of $750 million and $1 billion. The Company will continue to be responsible for the execution and costs of the ongoing clinical studies of ibrexafungerp, which at this stage is only the Phase 3 MARIO study, but will have the potential to receive up to $72.35 million in development milestones (revised from up to $75.5 million as provided in the GSK License Agreement), which comprise: $25 million already paid; $10 million already paid for the delivery to GSK of the final clinical study reports for the completed FURI, CARES, and NATURE clinical studies; up to $30 million for the achievement of two interim milestones associated with the Company's resumption and continued performance of the Phase 3 MARIO study after the clinical hold is lifted; and $7.35 million for the successful completion of the Phase 3 MARIO study. In the case of each of the above milestones, such milestone events are defined in the GSK License Agreement, as amended by the Binding MOU. GSK will also pay royalties based on cumulative annual sales to us in the mid-single digit to mid-teen range. The royalty terms are not amended by the Binding MOU. These royalty rates are subject to reduction, including in the event of third-party licenses, entry of a generic product, or the expiration of licensed patents. A joint development committee was established between GSK and the Company to coordinate and review ongoing development activities of ibrexafungerp. Unless earlier terminated, the GSK License Agreement will expire on a product-by-product and country-by-country basis at the end of the royalty term for such product in such country. The Company has the right to terminate the GSK License Agreement upon an uncured material breach by, or bankruptcy of, GSK. GSK has the right to terminate the GSK License Agreement at any time for convenience in its entirety or on a product-by-product and country-by-country basis, upon an uncured material breach by, or bankruptcy of, the Company, or for safety reasons. The Company evaluated the GSK License Agreement in accordance with ASC 606 as it includes a customer-vendor relationship as defined under ASC 606 and meets the criteria to be considered a contract. The Company assessed the terms of the GSK License Agreement and identified the following performance obligations which include: (1) the license for the development, manufacture, and commercialization of ibrexafungerp, including the approved product BREXAFEMME, in the GSK Territory, (2) the research and development activities for the Phase 3 MARIO study, and (3) performance obligations for the remaining research and development activities for the ongoing clinical and preclinical studies of ibrexafungerp. The Company considers the future potential development, regulatory, and commercial milestone payments as well as sales-based milestone and royalties to be variable consideration. The Company constrains variable consideration to the extent that it is probable that it will not result in a significant revenue reversal when the uncertainty associated with the variable consideration is subsequently resolved. The Company will recognize consideration related to sales-based milestone and royalties when the subsequent sales occur pursuant to the royalty exception under ASC 606 because the license is the predominant item to which the royalties or sales-based milestone relate. The initial total transaction price was $136.1 million upon closing of the GSK License Agreement in May 2023, which included the initial payment of $90.0 million and $45.0 million in success-based development milestones. Given the uncertain nature of these payments, the remaining potential development, regulatory, and commercial milestone payments from the GSK License Agreement are not included in the transaction price as they were determined to be fully constrained under ASC 606. The Company allocated the $136.1 million transaction price based on relative standalone selling prices of each of the performance obligations as $130.1 million for the license, $4.8 million for the research and development activities for the Phase 3 MARIO study and $1.2 million for the remaining ongoing clinical and preclinical studies of ibrexafungerp. The Company developed the estimated standalone selling price for the license using a Monte Carlo valuation analysis and for the research and development activities, the Company's utilized the estimate of costs to be incurred to fulfill its obligations associated with the performance of the research and development activities, plus a reasonable margin. In developing this estimate for the license, the Company applied significant judgment in the determination of the significant assumptions relating to forecasted future cash flows and discount rates. As of June 30, 2023, the Company provided all necessary information to GSK for it to benefit from the license under the license term. Accordingly, the Company recognized $130.1 million in license agreement revenue at a point in time upon the transfer of the license to GSK as of June 30, 2023. As of December 31, 2024 and December 31, 2023, the Company maintains a $9.5 million and $19.3 million license agreement contract asset associated with the success-based milestones associated with the ongoing clinical studies of ibrexafungerp. In July 2024, the Company delivered to GSK the final clinical study reports for the completed FURI, CARES, and NATURE clinical studies, and the Company billed and received a $10.0 million development milestone from GSK. The Company believes that the $9.5 million license agreement contract asset is collectible given the Company's probability assessment of achieving the milestones as defined in the GSK License Agreement, ongoing development activities, and other information available to the Company. The Company reassessed the transaction price as of December 31, 2024, including estimated variable consideration included in the transaction price and the remaining milestones continued to be constrained. The Company recognizes the revenue associated with the Phase 3 MARIO study and the remaining ongoing clinical and preclinical studies of ibrexafungerp over time using an input method. The input method is based on the actual costs incurred as a percentage of total budgeted costs towards satisfying the performance obligation as this method provides the most faithful depiction of the Company’s performance in transferring control of the services promised to GSK and represents the Company’s best estimate of the period of the obligation. For the years ended December 31, 2024 and 2023, the Company recognized $1.1 million and $1.7 million of license agreement revenue from the research and development activities associated with the Phase 3 MARIO study and the remaining ongoing clinical and preclinical studies of ibrexafungerp, respectively. As of December 31, 2024, there is $1.6 million and $1.3 million of current and long-term deferred revenue, respectively, which is expected to be recognized by the end of 2026. The Binding MOU was considered to represent a contract modification pursuant to ASC 606. As a result, the Company recorded $4.4 million that was included in license agreement revenue for the year ended December 31, 2023. The $4.4 million was recognized as an unbilled receivable as of December 31, 2023 and included in prepaid expenses and other current assets in the consolidated balance sheets and collected in 2024. Until the product recall, the Company continued to sell BREXAFEMME in the GSK Territory. The Company was the principal for these transactions under ASC 606 as the Company maintained control of the BREXAFEMME inventory that was then sold to its customers. For the year ended December 31, 2023, the Company's product revenue, net comprised of sales of BREXAFEMME that the Company sold as principal given it maintains control of BREXAFEMME product until delivery to its wholesalers at which point control is transferred. Hansoh License Agreement In February 2021, the Company entered into an Exclusive License and Collaboration Agreement (the “Hansoh License Agreement”) with Hansoh (Shanghai) Health Technology Co., Ltd., and Jiangsu Hansoh Pharmaceutical Group Company Limited (collectively, “Hansoh”), pursuant to which the Company granted to Hansoh an exclusive license to research, develop and commercialize ibrexafungerp in the Greater China region, including mainland China, Hong Kong, Macau, and Taiwan (the “Territory”). The Company also granted to Hansoh a non-exclusive license to manufacture ibrexafungerp solely for development and commercialization in the Territory. Under the terms of the Hansoh License Agreement, Hansoh shall be responsible for the development, regulatory approval and commercialization of ibrexafungerp in the Territory. Pursuant to the terms of the Hansoh License Agreement, the Company received as consideration for the licenses a nonrefundable upfront cash payment of $10.0 million and is entitled to an additional payment that was payable upon the transfer of certain data related to the manufacturing license. In addition, the Company will also be eligible to receive up to $110.0 million in potential development and commercial milestones. In addition, during the term of the licensing agreement, the Company is entitled to low double-digit royalties on net product sales. The obligation to pay royalties with respect to sales in a specified region will continue until the later of the date of expiration of all intellectual property and regulatory exclusivity for the product in the region and ten years from the first commercial sale, unless earlier terminated by Hansoh with advanced notice for convenience or under other specified circumstances. The Company is also eligible to receive a milestone related to the successful completion of a manufacturing batch by Hansoh. The Company evaluated the Hansoh License Agreement and concluded that it was subject to ASC 606 as the Company viewed the Hansoh License Agreement as a contract with a customer as the activities were central to its business operations. As such, the Company assessed the terms of the Hansoh License Agreement and identified one performance obligation for the licenses to research, develop, manufacture and commercialize ibrexafungerp in the Territory, including the underlying know-how related to such licenses. The Company also evaluated options for additional goods and services included in the Hansoh License Agreement related to (1) optional technical assistance related to development, regulatory or manufacturing activities and (2) a supply agreement for ibrexafungerp. Such options for additional goods or services were not considered to contain material rights as pricing approximated standalone selling prices and therefore the Company concluded that such options did not represent performance obligations and will be accounted for as separate transactions if and when they occur in the future. The Company determined that the transaction price of $12.1 million included the fixed upfront cash payment of $10.0 million, an additional amount that was payable upon the transfer of certain data related to the manufacturing license, and $1.1 million related to withholding tax obligations that Hansoh remitted on behalf of the Company. The remaining amounts related to the successful completion of a manufacturing batch by Hansoh and potential development milestones represent variable consideration and were constrained as it was concluded that it was not probable that a significant reversal in cumulative revenue recognized will not occur and therefore not included in the transaction price as of December 31, 2024 and 2023. Potential commercial milestones and royalties on net product sales will be recognized in the same period that the underlying net product sales occur as they were determined to relate to the license. The transaction price was recorded in revenue during the year ended December 31, 2021 at a point in time upon control of the license transferring to Hansoh. The Company will reevaluate the transaction price at the end of each reporting period as uncertain events or resolved, or as other changes in circumstances occur. Additionally, pursuant to the Hansoh License Agreement, both the Company and Hansoh agreed to make reasonable efforts to account for applicable taxes, fees, duties, levies, or similar amounts imposed on net income, franchise taxes and profits arising directly or indirectly from the activities of the Hansoh License Agreement. To the extent Hansoh is required by applicable laws to withhold or deduct any tax on any payment to the Company, Hansoh agreed to make certain increases on payments to the Company to ensure that the Company receives a sum equal to what the Company would have received had there been no deduction or withholding. As a result, the Company has recorded revenue and tax withholding expense primarily associated with the up-front payment received by the Company on a gross basis. Cypralis and Waterstone License Agreements In July 2016, the Company entered into an asset purchase agreement with UK-based Cypralis Limited (or "Cypralis"), a life sciences company, for the sale of its cyclophilin inhibitor assets. Cypralis also acquired all patents, patent applications and know-how related to the acquired portfolio. In connection with the asset purchase agreement, the Company is eligible to receive milestone payments upon the successful progression of Cypralis clinical candidates into later stage clinical studies and royalties payable upon product commercialization. The Company retains the right to repurchase the portfolio assets from Cypralis if abandoned or deprioritized. For the years ended December 31, 2024 and 2023, there was no revenue recognized associated with this agreement given the variable consideration associated with the sale of intellectual property to Cypralis was fully constrained as of December 31, 2024. Additionally, in October 2014 the Company entered into a license agreement with Waterstone Pharmaceutical HK Limited (or “Waterstone”) and granted Waterstone an exclusive, worldwide license to develop and commercialize certain non-strategic compounds. The Company is entitled to receive potential milestones and royalties from Waterstone; however, there was no revenue recognized by the Company in 2024 and 2023 associated with this agreement given the variable consideration was fully constrained as of December 31, 2024 and 2023.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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