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Revenue | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Revenue | 11. Revenue Product Revenue, Net Net product revenue was zero and $1.1 million for the three months ended March 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. Revenue attributed to sales to three wholesalers comprised 46%, 26%, and 25% of the Company’s gross revenue for the three months ended March 31, 2023. The following table summarizes activity in each of the Company’s product revenue provision and allowance categories as of March 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, 2023 |  | $ | — |  |  | $ | 36 |  |  | $ | 89 |  |  | $ | 1,932 |  |  | $ | 2,057 |
Provision related to current period revenue |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Changes in estimate related to prior period revenue |  |  | — |  |  |  | — |  |  |  | (26 | ) |  |  | — |  |  |  | (26 | )
Credit/payments |  |  | — |  |  |  | — |  |  |  | (31 | ) |  |  | (379 | ) |  |  | (410 | )
Balance as of March 31, 2024 |  | $ | — |  |  | $ | 36 |  |  | $ | 32 |  |  | $ | 1,553 |  |  | $ | 1,621 |
|  | 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 |  |  | 392 |  |  |  | 12 |  |  |  | 943 |  |  |  | — |  |  |  | 1,347 |
Changes in estimate related to prior period revenue |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Credit/payments |  |  | (324 | ) |  |  | (2 | ) |  |  | (699 | ) |  |  | — |  |  |  | (1,025 | )
Balance as of March 31, 2023 |  | $ | 323 |  |  | $ | 83 |  |  | $ | 1,457 |  |  | $ | — |  |  | $ | 1,863 |
(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 unaudited condensed 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 unaudited condensed 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 unaudited condensed 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 unaudited condensed consolidated balance sheet. License Agreement with GSK On March 30, 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. 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 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 for the delivery to GSK of 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 MARIO Study after the clinical hold is lifted; and $7.35 million for the successful completion of the 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. 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 MARIO study, and (3) performance obligations for the remaining research and development activities for the ongoing clinical and preclinical studies of ibrexafungerp. The Company provided all necessary information to GSK for it to benefit from the license under the license term in 2023 when the Company transferred the license. As of March 31, 2024, the Company recognized a $19.5 million contract asset associated with the success-based milestones associated with the ongoing clinical studies of ibrexafungerp. The Company believes that the $19.5 million 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 March 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 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 three months ended March 31, 2024, the Company recognized $1.4 million of license agreement revenue. As of March 31, 2024, there is $1.1 million and $2.1 million of current and long-term deferred revenue, respectively, which is expected to be recognized by the end of 2025. License Agreement with Hansoh In February 2021, the Company entered into an Exclusive License and Collaboration Agreement (the “Hansoh 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. For the three months ended March 31, 2024 and 2023, there was no license agreement revenue recognized associated with the Hansoh Agreement given the variable consideration was fully constrained as of March 31, 2024 and 2023, respectively.

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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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