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Note 5 - Lease Obligations and Other Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Lessee, Lease, Liability, Maturity [Table Text Block]

2021 (remaining)		$	485
2022			1,574
2023			1,418
2024			875
2025			724
Thereafter			7,327
Total lease payments			12,403
Less imputed interest			(5,916	)
Total		$	6,487

X

- Definition

Tabular disclosure of undiscounted cash flows of both operating and finance lease liabilities. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating and finance lease liabilities recognized in statement of financial position.

+ References

No definition available.

+ Details

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Namespace Prefix:	bcrx_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration