XML 44 R32.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 3 - Procurement Contracts and Research Agreements (Details Textual) $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 29, 2020 USD ($) | Apr. 03, 2020 USD ($) | May 20, 2019 USD ($) shares | Jul. 31, 2020 USD ($) | Jun. 30, 2020 USD ($) | Aug. 31, 2018 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | May 31, 2020 USD ($) | Mar. 31, 2020 USD ($) | Jul. 31, 2019 USD ($) | Sep. 10, 2018 | May 13, 2011
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  |  |  |  | $ 100 |  |  |  |  |  |
The 19C BARDA Contract [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Courses to Be Delivered |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,488,000 |
Number of Courses Stored As Vendor Managed Inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 212,000 |
Government Contract, Value of Award | $ 602,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Base Period, Value of Award for Delivery and Support Activities | $ 51,700 |  |  |  | $ 51,700 |  | $ 51,700 |  |  | 51,700 |  |  |  |  |  |
Base Period of Performance (Year) | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Value, Payments Remaining Related to Exercised Options | $ 127,100 |  |  |  | 127,100 |  | 127,100 |  |  | 127,100 |  |  |  |  |  |
Government Contract, Value, Payments Currently Specified as Unexercised Options | $ 423,700 |  |  |  | 423,700 |  | 423,700 |  |  | $ 423,700 |  |  |  |  |  |
Base Period of Performance, Exercise of Options, Term (Year) |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |
Number of Courses Divided into Procurement-Related Options |  |  | 363,070 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Procurement-related Options, Conversion of Option, Manufacture and Delivery of Courses (in shares) | shares |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to be Received, Procurement-related Options Providing for Payment for Procurement of Raw Materials |  |  | $ 11,200 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Procurement-related Options Specifying Delivery of Courses for Consideration (in shares) | shares |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Courses to be Delivered, Procurement-related Options Specifying Delivery of Courses for Consideration |  |  | 121,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to be Received, Procurement-related Options Specifying Delivery of Courses for Consideration |  |  | $ 33,800 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to be Received, Procurement-related Options |  |  | $ 112,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Delivery of Courses |  |  |  |  | $ 11,100 |  | $ 11,100 |  |  | $ 11,100 |  |  |  |  |  |
Government Contract, Base Period, Number of Deliveries |  |  |  |  | 35,700 |  | 35,700 |  |  | 35,700 |  |  |  |  |  |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Manufacture of Courses |  |  |  |  | $ 8,000 |  | $ 8,000 |  |  | $ 8,000 |  |  |  |  |  |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Advanced Development |  |  |  |  | 32,000 |  | 32,000 |  |  | 32,000 |  |  |  |  |  |
Government Contract, Base Period, Value of Award for Delivery and Support Activities, Supportive Procurement Activities |  |  |  |  | $ 600 |  | 600 |  |  | 600 |  |  |  |  |  |
Proceeds from Delivery of Courses |  |  |  |  |  |  |  |  |  | $ 11,100 |  |  |  |  |  |
Number of Courses Delivered |  |  |  |  | 117,000 |  |  |  |  | 35,700 |  |  |  |  |  |
Proceeds from Other Base Period Activities |  |  |  |  |  |  |  |  |  | $ 4,700 |  |  |  |  |  |
Contract with Customer, Liability, Total |  |  |  |  | $ 7,600 |  | 7,600 |  |  | 7,600 |  |  |  |  |  |
Government Contract, Value, Payments Related to Exercised Options, Procurement of Raw Materials |  |  |  |  |  |  |  |  |  | 11,200 |  |  |  |  |  |
Government Contract, Value, Payments Related to Exercised Options, Funding of Post-Marketing Activities |  |  |  |  | 14,600 |  | 14,600 |  |  | 14,600 |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  |  |  |  | 3,600 |  |  |  |  |  |
Proceeds for the Funding of Post-marketing Activities |  |  |  |  |  |  |  |  |  | 2,300 |  |  |  |  |  |
Government Contract, Value, Payments Related to Unexercised Options, Funding of Post-Marketing Activities |  |  |  |  | 3,600 |  | 3,600 |  |  | 3,600 |  |  |  |  |  |
Government Contract, Value of Unexercised Options, Supportive Procurement Activities |  |  |  |  | $ 5,600 |  | 5,600 |  |  | 5,600 |  |  |  |  |  |
The 19C BARDA Contract [Member] | Transferred over Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | 1,400 | $ 400 |  | 3,500 | $ 1,700 |  |  |  |  |
The 19C BARDA Contract [Member] | Transferred at Point in Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | $ 36,200 |  |  | $ 36,200 | 7,100 |  |  |  |  |
The 19C BARDA Contract [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  | $ 36,200 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Customers |  |  |  | 32,600 |  |  |  |  |  |  |  |  |  |  |  |
The 19C BARDA Contract [Member] | IV TPOXX [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Base Period, Number of Courses Manufactured |  |  |  |  | 20,000 |  | 20,000 |  |  | 20,000 |  |  |  |  |  |
Government Contract, Value, Payments Currently Specified as Unexercised Options, Delivery of Courses |  |  |  |  | $ 337,700 |  | $ 337,700 |  |  | $ 337,700 |  |  |  |  |  |
Government Contract, Unexercised Options, Number of Deliveries |  |  |  |  | 1,089,000 |  | 1,089,000 |  |  | 1,089,000 |  |  |  |  |  |
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 |  | $ 3,200 |  |  | $ 3,200 |  |  |  |  |  |
Proceeds from the Manufacture of Courses |  |  |  |  |  |  |  |  |  | 3,200 |  |  |  |  |  |
Contract with Customer, Liability, Total |  |  |  |  | 3,200 |  | 3,200 |  |  | 3,200 |  |  |  |  |  |
Government Contract, Value, Payments Currently Specified as Unexercised Options, Manufacture of Courses |  |  |  |  | $ 30,700 |  | $ 30,700 |  |  | $ 30,700 |  |  |  |  |  |
Government Contract, Number of Options for Manufacture of Product |  |  |  |  | 3 |  | 3 |  |  | 3 |  |  |  |  |  |
Government Contract, Courses Manufactured Upon Exercise of Options |  |  |  |  | 64,000 |  | 64,000 |  |  | 64,000 |  |  |  |  |  |
The 19C BARDA Contract [Member] | Oral TPOXX [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Delivery of Courses |  |  |  |  |  |  |  |  |  | $ 101,300 |  |  |  |  |  |
Number of Courses Delivered |  |  |  |  |  |  |  |  |  | 363,070 |  |  |  |  |  |
The 19C BARDA Contract [Member] | Product Delivery and Acceptance [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  | 32,600 |  |  |  |  |  |  |  |  |  |  |  |
The 19C BARDA Contract [Member] | Previously Received [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  | $ 3,600 |  |  |  |  |  |  |  |  |  |  |  |
The 19C BARDA Contract [Member] | IV FDP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Value, Payments Currently Specified as Unexercised Options, Manufacture of Courses |  |  |  |  | $ 76,800 |  | $ 76,800 |  |  | $ 76,800 |  |  |  |  |  |
Government Contract, Value, Unexercised Options, Manufacture of Courses |  |  |  |  | 192,000 |  | 192,000 |  |  | 192,000 |  |  |  |  |  |
Government Contract, Number of Options for Manufacture of Product |  |  |  |  | 3 |  | 3 |  |  | 3 |  |  |  |  |  |
Government Contract, Courses Manufactured Upon Exercise of Options |  |  |  |  | 64,000 |  | 64,000 |  |  | 64,000 |  |  |  |  |  |
The 2011 BARDA Contract [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Courses to Be Delivered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000
Government Contract, Value of Award |  |  |  |  | $ 508,400 |  | $ 508,400 |  |  | $ 508,400 |  |  |  |  |  |
Government Contract, Value, Payments Remaining Related to Exercised Options |  |  |  |  |  |  |  |  |  |  |  |  | $ 72,700 |  |  |
Number of Additional Courses to be Delivered at No Additional Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000
Proceeds from the Manufacture and Delivery of Courses |  |  |  |  |  |  |  |  |  | $ 459,800 |  |  |  |  |  |
Number of Courses to be Manufactured |  |  |  |  | 1,700,000 |  | 1,700,000 |  |  | 1,700,000 |  |  |  |  |  |
Proceeds from Reimbursements in Connection with Development and Supportive Activities |  |  |  |  |  |  |  |  |  | $ 45,400 |  |  |  |  |  |
Amount Eligible to be Received for Reimbursements of Development and Supportive Activities |  |  |  |  | $ 3,200 |  | $ 3,200 |  |  | 3,200 |  |  |  |  |  |
Proceeds from Government Contract Options, Exercised |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |
Government Contract, Increase (Decrease) in Value of Award, FDA Approval |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |
Government Contract, Value, Payments Related to Exercised Options, Development and Supportive Activities |  |  |  |  |  |  |  |  |  |  |  |  | 58,300 |  |  |
Government Contract, Value, Payments Related to Exercised Options, Production-related Activities |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,400 |  |  |
The 2011 BARDA Contract [Member] | Transferred over Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | 100 | 100 |  | 100 | 200 |  |  |  |  |
The 2011 BARDA Contract [Member] | Transferred at Point in Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | 0 | 0 |  | 0 | 0 |  |  |  |  |
Canadian Contract [Member] | Meridian Medical Technologies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Term (Year) |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract Receivable |  | $ 14,300 |  |  | $ 2,300 |  | $ 2,300 |  |  | $ 2,300 |  |  |  |  |  |
Government Contract, Number of Courses Purchased |  |  |  |  | 2,500 |  | 2,500 |  |  | 2,500 |  |  |  |  |  |
Canadian Contract [Member] | Meridian Medical Technologies [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Number of Courses to Be Purchased |  | 15,325 |  |  |  |  |  |  |  |  |  |  |  |  |  |
International Procurement Contracts [Member] | Transferred at Point in Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | $ 2,300 |  |  | $ 2,300 |  |  |  |  |  |
The IV Formulation R & D Contract with BARDA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government Contract, Future Aggregate Research and Development Funding |  |  |  |  | $ 2,200 |  | 2,200 |  |  | 2,200 |  |  |  |  |  |
The IV Formulation R & D Contract with BARDA [Member] | Transferred over Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | 300 | $ 3,400 |  | 700 | $ 5,300 |  |  |  |  |
Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price |  |  |  |  |  |  |  |  | $ 3,300 |  |  |  |  |  |  |
The PEP Label Expansion R & D Contract with the Department of Defense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grants Receivable |  |  |  |  |  |  |  |  |  |  |  | $ 26,000 |  | $ 19,500 |  |
Government Contract, Initial Award |  |  |  |  | $ 22,600 |  | 22,600 |  |  | 22,600 |  | $ 23,000 |  | $ 12,400 |  |
The PEP Label Expansion R & D Contract with the Department of Defense [Member] | Transferred over Time [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized |  |  |  |  |  |  | $ 100 |  |  | $ 100 |  |  |  |  |  |

X
- Definition The amount of payment still eligible to be received as reimbursement of development and supportive activities. + References No definition available. + Details
Name: | siga_AmountEligibleToBeReceivedForReimbursementsOfDevelopmentAndSupportiveActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The length of time of the base period of performance for a contract excluding extensions, and other modifications. + References No definition available. + Details
Name: | siga_BasePeriodOfPerformance
Namespace Prefix: | siga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The length of the base period of performance for a contract excluding extensions, and other modifications, in which options granted in the contract may be exercised. + References No definition available. + Details
Name: | siga_BasePeriodOfPerformanceExerciseOfOptions
Namespace Prefix: | siga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of courses to be delivered per each procurement-related option specifying delivery of courses for consideration. + References No definition available. + Details
Name: | siga_CoursesToBeDeliveredProcurementRelatedOptionsSpecifyingDeliveryOfCoursesForConsideration
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of courses to be manufactured during the base period of the government contract. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodNumberOfCoursesManufactured
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of deliveries to be made during the base period of the government contract. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodNumberOfDeliveries
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The value of the award for delivery and support activities under the government contract during the base period. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodValueOfAwardForDeliveryAndSupportActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of award for the advanced funding for new product portion of the government contract for delivery and support activities during the base period of the contract. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodValueOfAwardForDeliveryAndSupportActivitiesAdvancedDevelopment
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of award for the delivery of courses portion of the government contract for delivery and support activities during the base period of the contract. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodValueOfAwardForDeliveryAndSupportActivitiesDeliveryOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of award for the manufacture of courses portion of the government contract for delivery and support activities during the base period of the contract. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodValueOfAwardForDeliveryAndSupportActivitiesManufactureOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of award for the supportive procurement activities portion of the government contract for delivery and support activities during the base period of the contract. + References No definition available. + Details
Name: | siga_GovernmentContractBasePeriodValueOfAwardForDeliveryAndSupportActivitiesSupportiveProcurementActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Under a government contract, the number of courses to be manufactured upon exercise of options. + References No definition available. + Details
Name: | siga_GovernmentContractCoursesManufacturedUponExerciseOfOptions
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The future aggregate amount of funding for research and development provided by a government contract. + References No definition available. + Details
Name: | siga_GovernmentContractFutureAggregateResearchAndDevelopmentFunding
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The increase (decrease) in the value of the award from a government contract due to approval from the FDA. + References No definition available. + Details
Name: | siga_GovernmentContractIncreaseDecreaseInValueOfAwardFDAApproval
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The value of the initial award provided by a government contract. + References No definition available. + Details
Name: | siga_GovernmentContractInitialAward
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents number of courses purchased by government for government contract. + References No definition available. + Details
Name: | siga_GovernmentContractNumberOfCoursesPurchased
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents number of courses to be purchased by government for government contract. + References No definition available. + Details
Name: | siga_GovernmentContractNumberOfCoursesToBePurchased
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Under a government contract, the number of options that require the Company to manufacture product upon exercise. + References No definition available. + Details
Name: | siga_GovernmentContractNumberOfOptionsForManufactureOfProduct
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The period of time between the start and expiration date of a government contract. + References No definition available. + Details
Name: | siga_GovernmentContractTerm
Namespace Prefix: | siga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of deliveries to be made under options currently unexercised in the government contract. + References No definition available. + Details
Name: | siga_GovernmentContractUnexercisedOptionsNumberOfDeliveries
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Value of base contract award for a government contract. + References No definition available. + Details
Name: | siga_GovernmentContractValueOfAward
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments to be received related to unexercised options under the government contract to be used for supportive procurement activities. + References No definition available. + Details
Name: | siga_GovernmentContractValueOfUnexercisedOptionsSupportiveProcurementActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the portion of the monetary value of a government contract related to payments currently specified as unexercised options. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsCurrentlySpecifiedAsUnexercisedOptions
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments related to unexercised options under government contract to be used for the delivery of courses. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsCurrentlySpecifiedAsUnexercisedOptionsDeliveryOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments to be received related to unexercised options under government contract to be used for the manufacture of courses. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsCurrentlySpecifiedAsUnexercisedOptionsManufactureOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments to be received from a government contract related to the exercise of options for funding of development and supportive activities. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsRelatedToExercisedOptionsDevelopmentAndSupportiveActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments related to exercised options under the government contract to be used for funding of post-marketing activities. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsRelatedToExercisedOptionsFundingOfPostMarketingActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments to be received from a government contract related to the exercise of options for production-related activities. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsRelatedToExercisedOptionsProductionRelatedActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The value of payments to be received related to unexercised options under the government contract to be used for funding of post-marketing activities. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsRelatedToUnexercisedOptionsFundingOfPostmarketingActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the value of payments to be received from a government contract related to the exercise of options. + References No definition available. + Details
Name: | siga_GovernmentContractValuePaymentsRemainingRelatedToExercisedOptions
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of courses to be manufactured under options currently unexercised in the government contract. + References No definition available. + Details
Name: | siga_GovernmentContractValueUnexercisedOptionsManufactureOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of additional courses to be delivered at no additional cost to the buyer. + References No definition available. + Details
Name: | siga_NumberOfAdditionalCoursesToBeDeliveredAtNoAdditionalCost
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of courses delivered during the period. + References No definition available. + Details
Name: | siga_NumberOfCoursesDelivered
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of courses divided into procurement-related options. + References No definition available. + Details
Name: | siga_NumberOfCoursesDividedIntoProcurementRelatedOptions
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of courses which are stored as vendor-managed inventory. + References No definition available. + Details
Name: | siga_NumberOfCoursesStoredAsVendorManagedInventory
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of courses to be delivered. + References No definition available. + Details
Name: | siga_NumberOfCoursesToBeDelivered
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of courses to be manufactured. + References No definition available. + Details
Name: | siga_NumberOfCoursesToBeManufactured
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of steps in the manufacturing process of a product. + References No definition available. + Details
Name: | siga_NumberOfManufacturingSteps
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of procurement-related options issued in the conversion of an option for the manufacture and delivery of courses. + References No definition available. + Details
Name: | siga_NumberOfProcurementRelatedOptionsConversionOfOptionManufactureAndDeliveryOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of procurement-related options which specify the delivery of courses for consideration. + References No definition available. + Details
Name: | siga_NumberOfProcurementRelatedOptionsSpecifyingDeliveryOfCoursesForConsideration
Namespace Prefix: | siga_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of payments to be received from procurement-related options. + References No definition available. + Details
Name: | siga_PaymentsToBeReceivedProcurementRelatedOptions
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of payment to be received per each of the procurement-related options providing for the payment for procurement of raw materials. + References No definition available. + Details
Name: | siga_PaymentsToBeReceivedProcurementRelatedOptionsProvidingForPaymentForProcurementOfRawMaterials
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of payment to be received per each of the procurement-related options specifying delivery of courses for consideration. + References No definition available. + Details
Name: | siga_PaymentsToBeReceivedProcurementRelatedOptionsSpecifyingDeliveryOfCoursesForConsideration
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash inflow during the period for the funding of post-marketing activities. + References No definition available. + Details
Name: | siga_ProceedsForTheFundingOfPostMarketingActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow during the period for procurement of raw materials. + References No definition available. + Details
Name: | siga_ProceedsForTheProcurementOfRawMaterials
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow due to successful delivery of courses. + References No definition available. + Details
Name: | siga_ProceedsFromDeliveryOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow from exercise of option under government contract. + References No definition available. + Details
Name: | siga_ProceedsFromGovernmentContractOptionsExercised
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow during the period for activities classified as other during the base period of the contract. + References No definition available. + Details
Name: | siga_ProceedsFromOtherBasePeriodActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow during the period from reimbursements in connection with development and supportive activities. + References No definition available. + Details
Name: | siga_ProceedsFromReimbursementsInConnectionWithDevelopmentAndSupportiveActivities
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow during the period for the successful manufacture and delivery of courses. + References No definition available. + Details
Name: | siga_ProceedsFromTheManufactureAndDeliveryOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow during the period from the manufacture of courses. + References No definition available. + Details
Name: | siga_ProceedsFromTheManufactureOfCourses
Namespace Prefix: | siga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
Name: | us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of receivables that are derived from government contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118261985&loc=d3e55295-109406 + Details
Name: | us-gaap_GovernmentContractReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_GrantsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash receipts from customers during the current period which are usually for sales of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 + Details
Name: | us-gaap_ProceedsFromCustomers
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=siga_The19CBARDAContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=siga_IVTPOXXMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=siga_IVBDSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=siga_OralTPOXXMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=siga_ProductDeliveryAndAcceptanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=siga_PreviouslyReceivedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=siga_IVFDPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=siga_The2011BARDAContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=siga_CanadianContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=siga_MeridianMedicalTechnologiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=siga_InternationalProcurementContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=siga_TheIVFormulationRAndDContractWithBARDAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=siga_ThePEPLabelExpansionRAndDContractWithTheDepartmentOfDefenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |