Note 13 - Commitments and Contingencies	3 Months Ended
Mar. 31, 2026
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	Note 13 — Commitments and Contingencies Legal The Company is subject to legal proceedings and claims that may arise in the ordinary course of business. The Company is not aware of any pending or threatened litigation matters at this time that would have a material impact on the operations of the Company. License and product development agreements The Company has entered into various agreements that include commitments and contingencies which are described below. In March 2020, the Company entered into an Exclusive License and Supply Agreement (the “Alkindi License Agreement”) with Diurnal for marketing ALKINDI SPRINKLE® in the United States. In December 2024, the Company and Diurnal entered into an amendment to the Alkindi License Agreement to extend the agreement terms to incorporate both ALKINDI SPRINKLE® and KHINDIVI^TM in the existing agreement terms. The Company could pay up to $44,000 in future sales milestones. The Company pays tiered royalties of 11.0% to 17.0% on net sales. In June 2021, the Company acquired U.S. and Canadian rights to Crossject’s ZENEO® hydrocortisone needleless autoinjector, which is under development as a rescue treatment for adrenal crisis. The Company could pay up to $3,500 in future development milestones and up to $6,000 in commercial milestones, as well as a 10% royalty on net sales. In September 2022, the Company entered into a licensing agreement with Lukare Medical LLC (“Lukare”) to which the Company acquired the U.S. rights to Betaine Anhydrous (betaine anhydrous oral solution). Under the terms of the agreement, Lukare is entitled to a $250 commercial milestone payment upon Betaine Anhydrous achievement of a certain net sales and a $500 payment if no generic competitors have launched within 48 months after the effective date of the license agreement. In March 2023, the Company acquired rare disease endocrinology product candidate, ET- 600, from Tulex. In February 2026, the FDA approved the NDA for ET-600 (“DESMODA™”) and the Company launched DESMODA™ in March 2026 and was obligated to make a milestone payment of $250 (paid in April 2026). The Company pays tiered royalties to Tulex of 12.5% to 17.0% on net sales of DESMODA™. In March 2024, the Company entered into a licensing agreement with APR Applied Pharma Research SA ( "APR") pursuant to which the Company agreed to acquire the U.S. rights to various products under the PKU GOLIKE brand. The Company could pay up to $2,000 in one-time sales milestones, and the Company pays a royalty of 30% of net sales less product costs to APR. In August 2024, the Company entered into an agreement to sell its DS-200 product candidate. In March 2025, the Company recognized licensing revenue of $1,500 from a development milestone payment. In addition, the Company could receive additional milestone payments of up to $5,000 based on the achievement of certain future development and commercial milestones related to DS-200, of which the Company would recognize 45% of the proceeds from the future milestones, with the balance being distributed to other partners. In November 2024, the Company entered into a licensing agreement with AMMTeK pursuant to which the Company agreed to acquire the U.S. rights to Amglidia (glyburide oral suspension). Amglidia was approved by the European Medicines Agency in 2018 and has been granted Orphan Drug Designation by the U.S. FDA. AMMTeK has conducted a post-approval study tracking five years of real-world safety and efficacy in European patients, which will be used to support the Company's s NDA submission. In July 2025, the Company paid $500 to AMMTek upon the receipt of FDA meeting minutes and under the terms of the licensing agreement, the Company could pay up to $1,850 as follows: $550 upon NDA acceptance for review by the FDA and $1,300 upon NDA approval by the FDA and first commercial sale. The Company would also be required to pay a royalty of 14% of net sales to AMMTek. In December 2024, the Company acquired GALZIN® (zinc acetate) from Teva Pharmaceuticals USA, Inc and assumed the commercialization of the product in the U.S. during March of 2025. The Company is required to pay the seller a royalty of 10% of U.S. net sales through the tenth anniversary of the Company's first commercial sales of the product in the U.S. In December 2024, the Company acquired INCRELEX® (mecasermin injection) from Ipsen S.A. The Company is obligated to pay the seller $2,500 on each of the first and second anniversaries of closing, of which $2,500 was paid to Ipsen S.A. in December 2025. As of March 31, 2026 and December 31, 2025, the present value of the deferred consideration of $2,318 and $2,259, respectively, was classified as accrued liabilities in the Condensed Balance Sheets, with $182 and $241 as of March 31, 2026 and December 31, 2025, respectively, to be accreted to interest expense over the remainder of the deferred consideration term using the effective interest rate method. In connection with the INCRELEX® product acquisition, the Company assumed the commercial manufacturing and supply agreement between Simtra BioPharma Solutions and Ipsen Pharma SAS. The commercial manufacturing and supply agreement was executed in November 2020 and expires in November 2027. The commercial manufacturing and supply agreement is associated with the production of INCRELEX® for commercial usage and contains an annual production obligation and a maximum annual obligation. Additionally, in connection with the INCRELEX® product acquisition, the Company assumed a manufacturing services agreement between Lonza Ltd and Ipsen Pharma SAS, as amended. The manufacturing services agreement was executed in December 2022 and expires in December 2032. The manufacturing services agreement is associated with the production of INCRELEX® bulk drug substance and contains a minimum and a maximum obligation every twenty-four months. In March 2025, the Company out-licensed the commercial rights to INCRELEX® in territories outside of the U.S. to Esteve Pharmaceuticals, S.A. (“Esteve”). Under the terms of the licensing agreement, Esteve paid the Company in July 2025 €4,000 to license the rights to INCRELEX® for up to ten years, and Esteve also received an option to acquire the international rights in the future for a purchase price of up to €6,000. In accordance with the accounting pronouncement guidance in ASC 606 with respect to the license and supply agreements between the Company and Esteve, the Company recognized in March 2025, $4,327 in accounts receivable, licensing revenues of $1,786 and deferred revenues of $2,541. With respect to deferred revenues, $266 and $457, respectively, are reflected in accrued liabilities and $1,817 and $1,762, respectively, in other long-term liabilities in the Company's Condensed Balance Sheets as of March 31, 2026 and December 31, 2025. Deferred revenues will be amortized to revenues over the course of the agreements based on quarterly INCRELEX® product sales, and at the end of the license agreement, a deferred revenue residual will be recognized at the end of the initial term of the license agreement. During the three months ended March 31, 2026, the Company recognized $158 in deferred revenues associated with the supply agreement. In June 2025, in connection with the asset purchase agreement with Ipsen S.A, the Company purchased $11,540 in inventory. Under the terms of the inventory purchase agreement, the Company is required to make eight equal quarterly installment payments to Ipsen S.A, beginning in the third quarter of 2025. Accordingly, the Company has classified $6,817 and $6,926, respectively, in accounts payable and $1,704 and $3,463, respectively, in other long-term liabilities in the accompanying Condensed Balance Sheets as of March 31, 2026 and December 31, 2025. In February 2026, the Company entered into a licensing agreement to acquire the U.S. rights to HEMANGEOL® (propranolol) oral solution from Pierre Fabre. Under the terms of the licensing agreement, the Company will pay an 8% royalty on net sales for the duration of the product’s patent protected life ( October 2028). The Company accounted for this transaction as an asset acquisition. Indemnification As permitted under Delaware law and in accordance with the Company’s Amended and Restated Bylaws, the Company is required to indemnify its officers and directors for certain events or occurrences while the officer or director is or was serving in such capacity. The Company is also party to indemnification agreements with its directors and officers. The Company believes the fair value of the indemnification rights and agreements is minimal. Accordingly, the Company has not recorded any liabilities for these indemnification rights and agreements as of March 31, 2026 and December 31, 2025.

The Company is subject to legal proceedings and claims that may arise in the ordinary course of business. The Company is not aware of any pending or threatened litigation matters at this time that would have a material impact on the operations of the Company.

The Company has entered into various agreements that include commitments and contingencies which are described below.

In March 2020, the Company entered into an Exclusive License and Supply Agreement (the “Alkindi License Agreement”) with Diurnal for marketing ALKINDI SPRINKLE® in the United States. In December 2024, the Company and Diurnal entered into an amendment to the Alkindi License Agreement to extend the agreement terms to incorporate both ALKINDI SPRINKLE® and KHINDIVI^TM in the existing agreement terms. The Company could pay up to $44,000 in future sales milestones. The Company pays tiered royalties of 11.0% to 17.0% on net sales.

In June 2021, the Company acquired U.S. and Canadian rights to Crossject’s ZENEO® hydrocortisone needleless autoinjector, which is under development as a rescue treatment for adrenal crisis. The Company could pay up to $3,500 in future development milestones and up to $6,000 in commercial milestones, as well as a 10% royalty on net sales.

In September 2022, the Company entered into a licensing agreement with Lukare Medical LLC (“Lukare”) to which the Company acquired the U.S. rights to Betaine Anhydrous (betaine anhydrous oral solution). Under the terms of the agreement, Lukare is entitled to a $250 commercial milestone payment upon Betaine Anhydrous achievement of a certain net sales and a $500 payment if no generic competitors have launched within 48 months after the effective date of the license agreement.

In March 2023, the Company acquired rare disease endocrinology product candidate, ET- 600, from Tulex. In February 2026, the FDA approved the NDA for ET-600 (“DESMODA™”) and the Company launched DESMODA™ in March 2026 and was obligated to make a milestone payment of $250 (paid in April 2026). The Company pays tiered royalties to Tulex of 12.5% to 17.0% on net sales of DESMODA™.

In March 2024, the Company entered into a licensing agreement with APR Applied Pharma Research SA ( "APR") pursuant to which the Company agreed to acquire the U.S. rights to various products under the PKU GOLIKE brand. The Company could pay up to $2,000 in one-time sales milestones, and the Company pays a royalty of 30% of net sales less product costs to APR.

In August 2024, the Company entered into an agreement to sell its DS-200 product candidate. In March 2025, the Company recognized licensing revenue of $1,500 from a development milestone payment. In addition, the Company could receive additional milestone payments of up to $5,000 based on the achievement of certain future development and commercial milestones related to DS-200, of which the Company would recognize 45% of the proceeds from the future milestones, with the balance being distributed to other partners.

In November 2024, the Company entered into a licensing agreement with AMMTeK pursuant to which the Company agreed to acquire the U.S. rights to Amglidia (glyburide oral suspension). Amglidia was approved by the European Medicines Agency in 2018 and has been granted Orphan Drug Designation by the U.S. FDA. AMMTeK has conducted a post-approval study tracking five years of real-world safety and efficacy in European patients, which will be used to support the Company's s NDA submission. In July 2025, the Company paid $500 to AMMTek upon the receipt of FDA meeting minutes and under the terms of the licensing agreement, the Company could pay up to $1,850 as follows: $550 upon NDA acceptance for review by the FDA and $1,300 upon NDA approval by the FDA and first commercial sale. The Company would also be required to pay a royalty of 14% of net sales to AMMTek.

In December 2024, the Company acquired GALZIN® (zinc acetate) from Teva Pharmaceuticals USA, Inc and assumed the commercialization of the product in the U.S. during March of 2025. The Company is required to pay the seller a royalty of 10% of U.S. net sales through the tenth anniversary of the Company's first commercial sales of the product in the U.S.

In December 2024, the Company acquired INCRELEX® (mecasermin injection) from Ipsen S.A. The Company is obligated to pay the seller $2,500 on each of the first and second anniversaries of closing, of which $2,500 was paid to Ipsen S.A. in December 2025. As of March 31, 2026 and December 31, 2025, the present value of the deferred consideration of $2,318 and $2,259, respectively, was classified as accrued liabilities in the Condensed Balance Sheets, with $182 and $241 as of March 31, 2026 and December 31, 2025, respectively, to be accreted to interest expense over the remainder of the deferred consideration term using the effective interest rate method.

In connection with the INCRELEX® product acquisition, the Company assumed the commercial manufacturing and supply agreement between Simtra BioPharma Solutions and Ipsen Pharma SAS. The commercial manufacturing and supply agreement was executed in November 2020 and expires in November 2027. The commercial manufacturing and supply agreement is associated with the production of INCRELEX® for commercial usage and contains an annual production obligation and a maximum annual obligation.

Additionally, in connection with the INCRELEX® product acquisition, the Company assumed a manufacturing services agreement between Lonza Ltd and Ipsen Pharma SAS, as amended. The manufacturing services agreement was executed in December 2022 and expires in December 2032. The manufacturing services agreement is associated with the production of INCRELEX® bulk drug substance and contains a minimum and a maximum obligation every twenty-four months.

In March 2025, the Company out-licensed the commercial rights to INCRELEX® in territories outside of the U.S. to Esteve Pharmaceuticals, S.A. (“Esteve”). Under the terms of the licensing agreement, Esteve paid the Company in July 2025 €4,000 to license the rights to INCRELEX® for up to ten years, and Esteve also received an option to acquire the international rights in the future for a purchase price of up to €6,000. In accordance with the accounting pronouncement guidance in ASC 606 with respect to the license and supply agreements between the Company and Esteve, the Company recognized in March 2025, $4,327 in accounts receivable, licensing revenues of $1,786 and deferred revenues of $2,541. With respect to deferred revenues, $266 and $457, respectively, are reflected in accrued liabilities and $1,817 and $1,762, respectively, in other long-term liabilities in the Company's Condensed Balance Sheets as of March 31, 2026 and December 31, 2025. Deferred revenues will be amortized to revenues over the course of the agreements based on quarterly INCRELEX® product sales, and at the end of the license agreement, a deferred revenue residual will be recognized at the end of the initial term of the license agreement. During the three months ended March 31, 2026, the Company recognized $158 in deferred revenues associated with the supply agreement.

In June 2025, in connection with the asset purchase agreement with Ipsen S.A, the Company purchased $11,540 in inventory. Under the terms of the inventory purchase agreement, the Company is required to make eight equal quarterly installment payments to Ipsen S.A, beginning in the third quarter of 2025. Accordingly, the Company has classified $6,817 and $6,926, respectively, in accounts payable and $1,704 and $3,463, respectively, in other long-term liabilities in the accompanying Condensed Balance Sheets as of March 31, 2026 and December 31, 2025.

In February 2026, the Company entered into a licensing agreement to acquire the U.S. rights to HEMANGEOL® (propranolol) oral solution from Pierre Fabre. Under the terms of the licensing agreement, the Company will pay an 8% royalty on net sales for the duration of the product’s patent protected life ( October 2028). The Company accounted for this transaction as an asset acquisition.

As permitted under Delaware law and in accordance with the Company’s Amended and Restated Bylaws, the Company is required to indemnify its officers and directors for certain events or occurrences while the officer or director is or was serving in such capacity. The Company is also party to indemnification agreements with its directors and officers. The Company believes the fair value of the indemnification rights and agreements is minimal. Accordingly, the Company has not recorded any liabilities for these indemnification rights and agreements as of March 31, 2026 and December 31, 2025.