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Note 13 - Commitments and Contingencies (Details Textual) $ in Thousands, € in Millions |  |  | 1 Months Ended | 3 Months Ended | 10 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2024 | Aug. 30, 2024 | Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2025 EUR (€) | Aug. 31, 2024 USD ($) | Mar. 31, 2026 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2023 USD ($) | Feb. 28, 2026 | Dec. 31, 2025 USD ($) | Jul. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Mar. 14, 2023 USD ($) | Sep. 30, 2022 USD ($) | Mar. 31, 2020
Increlex [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  | $ 2,500 |  | $ 2,500 |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  |  | $ 2,318 |  |  |  | 2,259 |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Accreted to Interest Expense |  |  |  |  |  |  | 182 |  |  |  | 241 |  |  |  |  |
Payments to Acquire Inventory |  |  | $ 11,540 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Quarterly Installment Payments |  |  | 8 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Current |  |  |  |  |  |  | 6,817 |  |  |  | 6,926 |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Noncurrent |  |  |  |  |  |  | 1,704 |  |  |  | 3,463 |  |  |  |  |
GALZIN [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |
Indemnification Rights and Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  | 0 |  |  |  | 0 |  |  |  |  |
Lukare [Member] | Obligation Based on First Commercial Sale of Product [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 250 |
Lukare [Member] | Obligation Based on No Generic Competitors Launching in 48 Months [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |
Tulex Pharmaceuticals, Inc. (“Tulex”) [Member] | Obligation Based on First Commercial Sale of Product [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  |  |  |  |  | 17.00% |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 250 |  |
Tulex Pharmaceuticals, Inc. (“Tulex”) [Member] | Obligation Based on Acceptance of FDA of NDA for product [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.50% |  |
Selenix [Member] | DS-200 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Additional Based on Event and Sales-based Milestones Achievements |  |  |  |  |  | $ 1,500 |  |  |  |  |  |  |  |  |  |
Commitment, Allocation of Profits, Percentage | 45.00% | 50.00% |  |  |  | 45.00% |  |  |  |  |  |  |  |  |  |
Selenix [Member] | Maximum [Member] | DS-200 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Additional Based on Event and Sales-based Milestones Achievements |  |  |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |
AMMTeK [Member] | Amglidia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  |  |  | 14.00% |  |  |  |
AMMTeK [Member] | Receipt of FDA Minutes [Member] | Amglidia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  |  |  |
AMMTeK [Member] | NDA Acceptance for Review by FDA [Member] | Amglidia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  |  | 550 |  |  |  |
AMMTeK [Member] | NDA Approval by the FDA and First Commercial Sale [Member] | Amglidia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  |  |  |  | $ 1,300 |  |  |  |
Esteve [Member] | Increlex [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable, after Allowance for Credit Loss |  |  |  | $ 4,327 |  |  |  | 4,327 |  |  |  |  |  |  |  |
Esteve [Member] | Increlex [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Up-front Payment | € |  |  |  |  | € 4 |  |  |  |  |  |  |  |  |  |  |
License Agreement, Purchase Price of Option to Acquire | € |  |  |  |  | € 6 |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  | 1,786 |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability |  |  |  | $ 2,541 |  |  |  | $ 2,541 |  |  | 266 |  |  |  |  |
Contract with Customer, Liability, Current |  |  |  |  |  |  | 457 |  |  |  | $ 1,817 |  |  |  |  |
Contract with Customer, Liability, Noncurrent |  |  |  |  |  |  | 1,762 |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | $ 158 |  |  |  |  |  |  |  |  |
Pierre Fabre [Member] | Hemangeol [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |
Exclusive Licensing and Supply Agreement (the “Alkindi License Agreement”) [Member] | Diurnal Limited [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Value of Licensing Milestone Included in Research and Development Expense |  |  |  |  |  |  |  |  | $ 44,000 |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17.00%
Exclusive Licensing and Supply Agreement (the “Alkindi License Agreement”) [Member] | Diurnal Limited [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalties, Percentage of Net Sales, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.00%

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