License And Collaboration Agreements	6 Months Ended
Jun. 30, 2022
License And Collaboration Agreements [Abstract]
License and Collaboration Agreements	Note 11—License and Collaboration Agreements In August 2020, the Company entered into an option agreement with Torii Pharmaceutical Co., Ltd. (“Torii”) for the development and commercialization of the Company’s product candidates for the treatment of molluscum contagiosum and common warts in Japan, including VP-102 (the “Option Agreement”). Torii paid the Company $0.5 million to secure the exclusive option. The $0.5 million is included in deferred revenue as of December 31, 2020 in the balance sheet. On March 2, 2021, Torii exercised the exclusive option in the Option Agreement. On March 17, 2021, the Company entered into a collaboration and license agreement (the “Torii Agreement”) with Torii, pursuant to which the Company granted Torii an exclusive license to develop and commercialize the Company’s product candidates that contain a topical formulation of cantharidin for the treatment of molluscum contagiosum and common warts in Japan, including VP-102. Additionally, the Company granted Torii a right of first negotiation with respect to additional indications for the licensed products and certain additional products for use in the licensed field, in each case in Japan. Pursuant to the Torii Agreement, the Company received payments from Torii of $0.5 million in December 2020 and $11.5 million in April 2021. Additionally, the Company is entitled to receive from Torii an additional $58 million in aggregate payments contingent on achievement of specified development, regulatory, and sales milestones, in addition to tiered transfer price payments for supply of product in the percentage range of the mid-30’s to the mid-40’s of net sales. The transfer payments shall be payable, on a product-by-product basis, beginning on the first commercial sale of such product and ending on the latest of (a) expiration of the last-to-expire valid claim contained in certain licensed patents in Japan that cover such product, (b) expiration of regulatory exclusivity for the first indication for such product in Japan, and, (c) (i) with respect to the first product, ten years after first commercial sale of such product, and, (ii) with respect to any other product, the later of (x) ten years after first commercial sale of the first product and (y) five years after first commercial sale of such product. The Torii Agreement expires on a product-by-product basis upon expiration of Torii’s obligation under the agreement to make transfer price payments for such product. Torii has the right to terminate the agreement upon specified prior written notice to us. Additionally, either party may terminate the agreement in the event of an uncured material breach of the agreement by, or insolvency of, the other party. The Company may terminate the agreement in the event that Torii commences a legal action challenging the validity, enforceability or scope of any licensed patents. On March 7, 2022, pursuant to the Torii Agreement, the Company entered into a Clinical Supply Agreement with Torii, whereby the Company is obligated to supply product to Torii for use in clinical trials and other development activities. The Company recognized billed and unbilled license revenue of $0.2 and $0.6 million for the three and six months ended June 30, 2022, respectively related to supplies and development activity pursuant to this agreement. In August 2020, the Company entered into an exclusive license agreement with Lytix Biopharma AS (“Lytix”) for the use of licensed technology to research, develop, manufacture, have manufactured, use, sell, have sold, offer for sale, import, and otherwise commercialize products for use in all malignant and pre-malignant dermatological indications, other than metastatic melanoma and metastatic merkel cell carcinoma (the” Lytix Agreement”). As part of the Lytix Agreement, the Company paid Lytix a one-time up-front fee of $0.3 million in 2020. In addition, in May 2022 and February 2021, the Company paid Lytix a one-time $1.0 million and $2.3 million payment, respectively upon the achievement by Lytix of a regulatory milestone. The $1.0 and $2.3 million payments were recognized in research and development expense in the statement of operations for the six months ended June 30, 2022 and for the year ended December 31, 2021, respectively. The Company is also obligated to pay up to $111.0 million contingent on achievement of specified development, regulatory, and sales milestones, as well as tiered royalties based on worldwide annual net sales ranging in the low double digits to the mid-teens, subject to certain customary reductions. The Company’s obligation to pay royalties expires on a country-by-country and product-by-product basis on the later of the expiration or abandonment of the last to expire licensed patent covering LTX-315 anywhere in the world and expiration of regulatory exclusivity for LTX-315 in such country. Additionally, all upfront fees and milestone based payments received by the Company from a sublicensee will be treated as net sales and will be subject to the royalty payment obligations under the Lytix Agreement, and all royalties received by the Company from a sublicensee shall be shared with Lytix at a rate that is initially 50% but decreases based on the stage of development of LTX-315 at the time such sublicense is granted.

License And Collaboration Agreements

6 Months Ended

Jun. 30, 2022

License And Collaboration Agreements [Abstract]

Note 11—License and Collaboration Agreements

In August 2020, the Company entered into an option agreement with Torii Pharmaceutical Co., Ltd. (“Torii”) for the development and commercialization of the Company’s product candidates for the treatment of molluscum contagiosum and common warts in Japan, including VP-102 (the “Option Agreement”). Torii paid the Company $0.5 million to secure the exclusive option. The $0.5 million is included in deferred revenue as of December 31, 2020 in the balance sheet.

On March 2, 2021, Torii exercised the exclusive option in the Option Agreement. On March 17, 2021, the Company entered into a collaboration and license agreement (the “Torii Agreement”) with Torii, pursuant to which the Company granted Torii an exclusive license to develop and commercialize the Company’s product candidates that contain a topical formulation of cantharidin for the treatment of molluscum contagiosum and common warts in Japan, including VP-102. Additionally, the Company granted Torii a right of first negotiation with respect to additional indications for the licensed products and certain additional products for use in the licensed field, in each case in Japan.

Pursuant to the Torii Agreement, the Company received payments from Torii of $0.5 million in December 2020 and $11.5 million in April 2021. Additionally, the Company is entitled to receive from Torii an additional $58 million in aggregate payments contingent on achievement of specified development, regulatory, and sales milestones, in addition to tiered transfer price payments for supply of product in the percentage range of the mid-30’s to the mid-40’s of net sales. The transfer payments shall be payable, on a product-by-product basis, beginning on the first commercial sale of such product and ending on the latest of (a) expiration of the last-to-expire valid claim contained in certain licensed patents in Japan that cover such product, (b) expiration of regulatory exclusivity for the first indication for such product in Japan, and, (c) (i) with respect to the first product, ten years after first commercial sale of such product, and, (ii) with respect to any other product, the later of (x) ten years after first commercial sale of the first product and (y) five years after first commercial sale of such product.

The Torii Agreement expires on a product-by-product basis upon expiration of Torii’s obligation under the agreement to make transfer price payments for such product. Torii has the right to terminate the agreement upon specified prior written notice to us. Additionally, either party may terminate the agreement in the event of an uncured material breach of the agreement by, or insolvency of, the other party. The Company may terminate the agreement in the event that Torii commences a legal action challenging the validity, enforceability or scope of any licensed patents.

On March 7, 2022, pursuant to the Torii Agreement, the Company entered into a Clinical Supply Agreement with Torii, whereby the Company is obligated to supply product to Torii for use in clinical trials and other development activities. The Company recognized billed and unbilled license revenue of $0.2 and $0.6 million for the three and six months ended June 30, 2022, respectively related to supplies and development activity pursuant to this agreement.

In August 2020, the Company entered into an exclusive license agreement with Lytix Biopharma AS (“Lytix”) for the use of licensed technology to research, develop, manufacture, have manufactured, use, sell, have sold, offer for sale, import, and otherwise commercialize products for use in all malignant and pre-malignant dermatological indications, other than metastatic melanoma and metastatic merkel cell carcinoma (the” Lytix Agreement”). As part of the Lytix Agreement, the Company paid Lytix a one-time up-front fee of $0.3 million in 2020. In addition, in May 2022 and February 2021, the Company paid Lytix a one-time $1.0 million and $2.3 million payment, respectively upon the achievement by Lytix of a regulatory milestone. The $1.0 and $2.3 million payments were recognized in research and development expense in the statement of operations for the six months ended June 30, 2022 and for the year ended December 31, 2021, respectively. The Company is also obligated to pay up to $111.0 million contingent on achievement of specified development, regulatory, and sales milestones, as well as tiered royalties based on worldwide annual net sales ranging in the low double digits to the mid-teens, subject to certain customary reductions. The Company’s obligation to pay royalties expires on a country-by-country and product-by-product basis on the later of the expiration or abandonment of the last to expire licensed patent covering LTX-315 anywhere in the world and expiration of regulatory exclusivity for LTX-315 in such country. Additionally, all upfront fees and milestone based payments received by the Company from a sublicensee will be treated as net sales and will be subject to the royalty payment obligations under the Lytix Agreement, and all royalties received by the Company from a sublicensee shall be shared with Lytix at a rate that is initially 50% but decreases based on the stage of development of LTX-315 at the time such sublicense is granted.