Note 3 - Procurement Contracts and Research Agreements (Details Textual) | | | | 3 Months Ended | 12 Months Ended | 55 Months Ended | 67 Months Ended | | | | |
Sep. 28, 2022 USD ($) | May 12, 2022 USD ($) | Sep. 10, 2018 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2024 USD ($) | Feb. 29, 2024 USD ($) | Oct. 31, 2023 | Dec. 31, 2021 USD ($) | Jul. 31, 2019 USD ($) |
Contract with Customer, Liability, Revenue Recognized | | | | $ 500,000 | | | | | | | | | | |
The 19C BARDA Contract [Member] | | | | | | | | | | | | | | |
Number of Courses to Be Delivered | | | 1,488,000 | | | | | | | | | 106,000 | | |
Number of Vials in a Course | | | 14 | | | | | | | | | 28 | | |
Government Contract, Value of Award | | | | 602,500,000 | | | | | $ 602,500,000 | $ 602,500,000 | | | | |
Government Contract, Base Period, Value of Award for Delivery and Support Activities | | | $ 51,700,000 | 51,700,000 | | | | | 51,700,000 | 51,700,000 | | | | |
Government Contract Value Related To Exercised Options | | | | | | | | | | 407,100,000 | | | | |
Government Contract, Value, Payments Currently Specified as Unexercised Options | | | | 143,700,000 | | | | | | 143,700,000 | | | | |
Base Period of Performance, Exercise of Options, Term (Year) | | | 10 years | | | | | | | | | | | |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Delivery of Courses | | | $ 11,100,000 | | | | | | | | | | | |
Government Contract, Base Period, Number of Deliveries | | | 35,700 | | | | | | | | | | | |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Manufacture of Courses | | | $ 8,000,000 | | | | | | | | | | | |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Advanced Development | | | 32,000,000 | | | | | | | | | | | |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Supportive Procurement Activities | | | 600,000 | | | | | | | | | | | |
Proceeds from Delivery of Courses | | | | | | | | | | $ 11,100,000 | | | | |
Number of Courses Delivered | | | | | | | | | | 35,700 | | | | |
Proceeds from Other Base Period Activities | | | | | | | | | | $ 23 | | | | |
Government Contract, Value, Payments Remaining Related to Exercised Options | | | | | | | | | | 407,100,000 | | | | |
Government Contract, Value of Unexercised Options, Supportive Procurement Activities | | | | 5,600,000 | | | | | 5,600,000 | 5,600,000 | | | | |
The 19C BARDA Contract [Member] | Transferred over Time [Member] | | | | | | | | | | | | | | |
Contract with Customer, Liability, Revenue Recognized | | | | 1,600,000 | $ 1,600,000 | | | | | | | | | |
The 19C BARDA Contract [Member] | Transferred at Point in Time [Member] | | | | | | | | | | | | | | |
Contract with Customer, Liability, Revenue Recognized | | | | 14,700,000 | 0 | | | | | | | | | |
The 19C BARDA Contract [Member] | IV TPOXX [Member] | | | | | | | | | | | | | | |
Number of Courses to Be Delivered | | | | | | | | | | | | 10,000 | | |
Government Contract, Value, Payments Related to Exercised Options, Funding of Post-Marketing Activities | | | | 3,600,000 | | | | | 3,600,000 | 3,600,000 | | | | |
Government Contract, Value, Payments Related to Unexercised Options, Delivery of Courses | | | | 112,500,000 | | | | | 112,500,000 | 112,500,000 | | | | |
Government Contract, Value, Payments Related to Unexercised Options, Funding of Post-Marketing Activities | | | | $ 10,200,000 | | | | | $ 10,200,000 | $ 10,200,000 | | | | |
Number of Manufacturing Steps | | | | 2 | | | | | 2 | 2 | | | | |
The 19C BARDA Contract [Member] | IV BDS [Member] | | | | | | | | | | | | | | |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Manufacture of Courses | | | $ 3,200,000 | | | | | | | | | | | |
Proceeds from the Manufacture of Courses | | | | | | | | | | $ 3,200,000 | | | | |
Proceeds from the Delivery of Courses | | | | | | | | | | 4,300,000 | | | | |
Contract with Customer, Liability, Total | | | | $ 20,500,000 | | | | | $ 20,500,000 | $ 20,500,000 | | | $ 3,200,000 | |
Government Contract, Number of Options for Manufacture of Product | | | | 3 | | | | | 3 | 3 | | | | |
Government Contract, Courses Manufactured Upon Exercise of Options | | | | 32,000 | | | | | 32,000 | 32,000 | | | | |
The 19C BARDA Contract [Member] | IV FDP Containing IV BDS [Member] | | | | | | | | | | | | | | |
Contract with Customer, Liability, Total | | | | $ 20,500,000 | | | | $ 300,000 | $ 20,500,000 | $ 20,500,000 | | | | |
Contract with Customer, Liability, Revenue Recognized | | | | | | | | $ 2,900,000 | | | | | | |
Government Contract, Value, Payments Currently Specified as Unexercised Options, Manufacture of Courses | | | | $ 51,200,000 | | | | | $ 51,200,000 | $ 51,200,000 | | | | |
The 19C BARDA Contract [Member] | Oral TPOXX [Member] | | | | | | | | | | | | | | |
Number of Courses to Be Delivered | | | | 1,100,000 | | | | | 1,100,000 | 1,100,000 | | | | |
Government Contract, Value, Payments Related to Exercised Options, Delivery of Courses | | | | $ 337,700,000 | | | | | $ 337,700,000 | $ 337,700,000 | | | | |
Government Contract, Value, Payments Related to Exercised Options, Funding of Post-Marketing Activities | | | | 14,600,000 | | | | | 14,600,000 | 14,600,000 | | | | |
Government Contract, Total Amount of Exercised Options, Delivery of Materials | | | | 15,000,000 | | | | | 337,700,000 | | | | | |
Proceeds from Payments Received for Post-marketing Activities | | | | 8,200,000 | | | | | | | | | | |
The 19C BARDA Contract [Member] | IV FDP [Member] | | | | | | | | | | | | | | |
Government Contract, Value, Payments Currently Specified as Unexercised Options, Manufacture of Courses | | | | $ 25,600,000 | | | | | $ 25,600,000 | $ 25,600,000 | | | | |
Government Contract, Number of Options for Manufacture of Product | | | | 3 | | | | | 3 | 3 | | | | |
Government Contract, Courses Manufactured Upon Exercise of Options | | | | 32,000 | | | | | 32,000 | 32,000 | | | | |
The 19C BARDA Contract [Member] | Maximum [Member] | | | | | | | | | | | | | | |
Number of Courses to Be Delivered | | | 212,000 | | | | | | | | | | | |
IC BARDA [Member] | Transferred over Time [Member] | | | | | | | | | | | | | | |
Government Contract, Value, Payments Currently Specified as Unexercised Options, Manufacture of Courses | | | | $ 10,200,000 | | | | | $ 10,200,000 | $ 10,200,000 | | | | |
Government Contract, Value, Payments Related to Unexercised Options, Funding of Post-Marketing Activities | | | | 25,600,000 | | | | | 25,600,000 | 25,600,000 | | | | |
U.S. Department of Defense (“DoD”) [Member] | Oral TPOXX [Member] | | | | | | | | | | | | | | |
Government Contract, Value, Payments Currently Specified as Unexercised Options | $ 5,500,000 | $ 3,800,000 | | | | | | | | | | | | |
Contract with Customer, Liability, Revenue Recognized | | | | | 5,100,000 | | $ 3,600,000 | | | | | | | |
Government Contract, Value Ordered | $ 5,100,000 | $ 3,600,000 | | | | | | | | | $ 1,000,000 | | | |
Government Contract, Value, Option Exercised | | | | | 5,500,000 | $ 3,800,000 | | | | | | | | |
International Procurement [Member] | Oral TPOXX [Member] | | | | | | | | | | | | | | |
Government Contract, Value of Award | | | | 18,000,000 | | | | | 18,000,000 | 18,000,000 | | | | |
Government Contract, Value, Payments Currently Specified as Unexercised Options | | | | 6,700,000 | | | | | | | | | | |
Government Contract, Delivery of Material | | | | 7,000,000 | | | | | 7,000,000 | 7,000,000 | | | | |
International Procurement [Member] | Oral TPOXX [Member] | Scenario, Plan [Member] | | | | | | | | | | | | | | |
Government Contract, Value of Award | | | | 14,000,000 | | | | | 14,000,000 | 14,000,000 | | | | |
International Procurement [Member] | Oral TPOXX [Member] | Transferred at Point in Time [Member] | | | | | | | | | | | | | | |
Contract with Customer, Liability, Revenue Recognized | | | | 8,000,000 | 0 | | | | | | | | | |
Canadian Contract [Member] | Meridian Medical Technologies [Member] | | | | | | | | | | | | | | |
Government Contract, Delivery of Material | | | | 700,000 | | | | | $ 700,000 | $ 700,000 | | | | |
The PEP Label Expansion R & D Contract with the Department of Defense [Member] | | | | | | | | | | | | | | |
Government Contract, Increased Value of Award | | | | | | | | | | | | | | $ 27,000,000 |
The PEP Label Expansion R & D Contract with the Department of Defense [Member] | Transferred over Time [Member] | | | | | | | | | | | | | | |
Contract with Customer, Liability, Revenue Recognized | | | | $ 0 | $ 1,400,000 | | | | | | | | | |