XML 71 R57.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Royalty Financing Obligations - Schedule of Royalty Financing Obligations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Royalties Monetizations [Line Items] |  |  |
Balance | $ 501,655 | $ 449,375 | $ 124,717
Long-term debt, total |  |  | 298,142
Non-cash Interest expense on Royalty financing obligations | 70,356 | 76,482 | 37,670
Royalty revenues paid and payable | (40,412) | (24,168) | (11,154)
Deferred financing costs |  | (34) |
Balance | 531,599 | 501,655 | 449,375
2020 RPI Royalty Agreement |  |  |
Royalties Monetizations [Line Items] |  |  |
Balance | 164,981 | 147,224 | 124,717
Non-cash Interest expense on Royalty financing obligations | 38,267 | 39,994 | 33,308
Royalty revenues paid and payable | (28,768) | (22,237) | (10,801)
Balance | $ 174,480 | $ 164,981 | 147,224
Effective interest rate | 22.30% | 22.40% |
2021 RPI Royalty Agreement |  |  |
Royalties Monetizations [Line Items] |  |  |
Balance | $ 173,651 | $ 153,377 |
Long-term debt, total |  |  | 150,833
Non-cash Interest expense on Royalty financing obligations | 14,188 | 22,239 | 2,897
Royalty revenues paid and payable | (2,494) | (1,931) | (353)
Deferred financing costs |  | (34) |
Balance | $ 185,345 | $ 173,651 | 153,377
Effective interest rate | 0.00% | 13.10% |
OMERS Royalty Agreement |  |  |
Royalties Monetizations [Line Items] |  |  |
Balance | $ 163,023 | $ 148,774 |
Long-term debt, total |  |  | 147,309
Non-cash Interest expense on Royalty financing obligations | 17,901 | 14,249 | 1,465
Royalty revenues paid and payable | (9,150) |  |
Balance | $ 171,774 | $ 163,023 | $ 148,774
Effective interest rate | 10.00% | 10.60% |

X
- Definition Future Royalties Payable + References No definition available. + Details
Name: | bcrx_FutureRoyaltiesPayable
Namespace Prefix: | bcrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Non Cash Interest Expense On Royalty Financing Obligation + References No definition available. + Details
Name: | bcrx_NonCashInterestExpenseOnRoyaltyFinancingObligation
Namespace Prefix: | bcrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Royalties Monetizations + References No definition available. + Details
Name: | bcrx_RoyaltiesMonetizationsLineItems
Namespace Prefix: | bcrx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Royalties Revenues Paid And Payable + References No definition available. + Details
Name: | bcrx_RoyaltiesRevenuesPaidAndPayable
Namespace Prefix: | bcrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-6 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow for loan and debt issuance costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_PaymentsOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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