XML 44 R30.htm IDEA: XBRL DOCUMENT
v3.19.2

Note 5 - Senior Credit Facility (Details Textual) - USD ($) $ in Thousands | Feb. 05, 2019 | Jun. 30, 2019 | Dec. 31, 2018 | Sep. 23, 2016
--- | --- | --- | --- | ---
Long-term Line of Credit, Total |  | $ 49,847 | $ 25,372 |
MidCap Financial Services, LLC [Member] | Senior Credit Facility [Member] |  |  |  |
Debt Instrument, Face Amount | $ 100,000 |  |  |
Debt Instrument, Minimum LIBOR | 0.50% |  |  |
Debt Instrument, Term | 2 years 180 days |  |  |
Line of Credit, Restricted Cash Required | $ 25,000 |  |  |
Long-term Line of Credit, Total |  | $ 50,000 |  | $ 23,000
Line of Credit Facility, Interest Rate at Period End |  | 10.40% |  |
MidCap Financial Services, LLC [Member] | Senior Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 8.00% |  |  |
MidCap Financial Services, LLC [Member] | Senior Credit Facility [Member] | Secured Credit Facility, First Tranche [Member] |  |  |  |
Debt Instrument, Face Amount | $ 50,000 |  |  |
Repayments of Long-term Debt, Total | 30,000 |  |  |
MidCap Financial Services, LLC [Member] | Senior Credit Facility [Member] | Secured Credit Facility, Second Tranche [Member] |  |  |  |
Debt Instrument, Face Amount | 30,000 |  |  |
Line of Credit, Restricted Cash Required | 40,000 |  |  |
MidCap Financial Services, LLC [Member] | Senior Credit Facility [Member] | Secured Credit Facility, Third Tranche [Member] |  |  |  |
Debt Instrument, Face Amount | $ 20,000 |  |  |

X
- Definition The minimum LIBOR interest that will be added to the basis spread. + References No definition available. + Details
Name: | bcrx_DebtInstrumentMinimumLibor
Namespace Prefix: | bcrx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of restricted cash required to be held under the terms of a line of credit. + References No definition available. + Details
Name: | bcrx_LineOfCreditRestrictedCashRequired
Namespace Prefix: | bcrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=bcrx_MidCapFinancialServicesLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=bcrx_SeniorCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bcrx_SecuredCreditFacilityFirstTrancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bcrx_SecuredCreditFacilitySecondTrancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bcrx_SecuredCreditFacilityThirdTrancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |