Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 150,905	$ 304,767
Restricted cash	1,584	1,472
Investments	246,685	119,543
Trade receivables	53,646	50,599
Inventory, net	29,630	27,533
Prepaid expenses and other current assets	20,016	12,586
Total current assets	502,466	516,500
Property and equipment, net	8,999	8,617
Long-term investments	0	18,077
Other assets	11,459	6,806
Total assets	522,924	550,000
Liabilities and Stockholders’ Deficit
Accounts payable	10,567	14,356
Accrued expenses	77,392	87,565
Deferred revenue	522	1,224
Lease financing obligation	2,282	2,369
Total current liabilities	90,763	105,514
Lease financing obligation	9,966	5,804
Royalty financing obligations	535,186	501,655
Secured term loans	297,995	231,624
Stockholders’ deficit:
Preferred stock, $0.01 par value; shares authorized - 5,000; no shares issued and outstanding	0	0
Common stock, $0.01 par value; shares authorized - 450,000; shares issued and outstanding – 189,803 as of September 30, 2023 and 187,906 as of December 31, 2022	1,898	1,879
Additional paid-in capital	1,205,744	1,158,118
Accumulated other comprehensive income	800	26
Accumulated deficit	(1,619,428)	(1,454,620)
Total stockholders’ deficit	(410,986)	(294,597)
Total liabilities and stockholders’ deficit	$ 522,924	$ 550,000

Carrying amount as of the balance sheet date of obligations for future royalties.

No definition available.

Name:	bcrx_FutureRoyaltiesPayable
Namespace Prefix:	bcrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).