XML 31 R17.htm IDEA: XBRL DOCUMENT v3.4.0.3

Note 1 - Summary of Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
US Department of Health and Human Services [Member] | Billed Revenues [Member]
Receivables	$ 2,475
US Department of Health and Human Services [Member] | Unbilled Revenues [Member]
Receivables	2,734	$ 5,536
US Department of Health and Human Services [Member]
Receivables	5,209	5,536
Shionogi and Co. Ltd [Member] | Billed Revenues [Member]
Receivables	$ 1,685	$ 469
Shionogi and Co. Ltd [Member] | Unbilled Revenues [Member]
Receivables
Shionogi and Co. Ltd [Member]
Receivables	$ 1,685	$ 469
Seqirus UK Limited [Member] | Billed Revenues [Member]
Receivables	336	210
Seqirus UK Limited [Member] | Unbilled Revenues [Member]
Receivables	154	28
Seqirus UK Limited [Member]
Receivables	490	238
Billed Revenues [Member]
Receivables	4,496	679
Unbilled Revenues [Member]
Receivables	2,888	5,564
Receivables	$ 7,384	$ 6,243

X

- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-06(3))
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e604059-122996

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(5))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_ReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis=bcrx_USDepartmentOfHealthAndHumanServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_BilledRevenuesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_UnbilledRevenuesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis=bcrx_ShionogiAndCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis=bcrx_SeqirusUKLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: