XML 30 R16.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 1 - Significant Accounting Policies (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Notes Tables |
Debt Securities, Available-for-sale [Table Text Block] |
|  |  | June 30, 2020 |
|  |  | Amortized Cost |  |  | Accrued Interest |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Obligations of the U.S. Government and its agencies |  | $ | 14,991 |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 14,991 |
Certificates of deposit |  |  | 938 |  |  |  | 3 |  |  |  | 3 |  |  |  | - |  |  |  | 944 |
Total investments |  | $ | 15,929 |  |  | $ | 3 |  |  | $ | 3 |  |  | $ | - |  |  | $ | 15,935 |
|  | December 31, 2019 |
|  | Amortized Cost |  |  | Accrued Interest |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Obligations of U.S. Government and its agencies |  | $ | 10,488 |  |  | $ | 50 |  |  | $ | 23 |  |  | $ | - |  |  | $ | 10,561 |
Corporate debt securities |  |  | 9,742 |  |  |  | 59 |  |  |  | 10 |  |  |  | (1 | ) |  |  | 9,810 |
Certificates of deposit |  |  | 1,669 |  |  |  | 7 |  |  |  | 7 |  |  |  | - |  |  |  | 1,683 |
Total investments |  | $ | 21,899 |  |  | $ | 116 |  |  | $ | 40 |  |  | $ | (1 | ) |  | $ | 22,054 |
Schedule of Receivables from Collaborations [Table Text Block] |
|  |  |  |  |  | June 30, 2020 |  |  |  |  |
|  | Billed |  |  | Unbilled |  |  | Total |
U.S. Department of Health and Human Services |  | $ | 19 |  |  | $ | 2,253 |  |  | $ | 2,272 |
Shionogi & Co. Ltd. |  |  | 1,683 |  |  |  | - |  |  |  | 1,683 |
Mundipharma International Holdings Limited |  |  | 35 |  |  |  | - |  |  |  | 35 |
Seqirus UK Limited |  |  | 7 |  |  |  | - |  |  |  | 7 |
Total receivables |  | $ | 1,744 |  |  | $ | 2,253 |  |  | $ | 3,997 |
|  |  |  |  |  | December 31, 2019 |  |  |  |  |
|  | Billed |  |  | Unbilled |  |  | Total |
U.S. Department of Health and Human Services |  | $ | 1,353 |  |  | $ | 15,023 |  |  | $ | 16,376 |
Shionogi & Co. Ltd. |  |  | 1,336 |  |  |  | 4 |  |  |  | 1,340 |
Green Cross Corporation |  |  | 2,924 |  |  |  | 8 |  |  |  | 2,932 |
Mundipharma International Holdings Limited |  |  | 56 |  |  |  | - |  |  |  | 56 |
Seqirus UK Limited |  |  | 1,091 |  |  |  | 351 |  |  |  | 1,442 |
Total receivables |  | $ | 6,760 |  |  | $ | 15,386 |  |  | $ | 22,146 |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months |  |  | Six Months |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Product sales |  | $ | — |  |  | $ | — |  |  | $ | 218 |  |  | $ | 1,679 |
Royalty revenue |  |  | 44 |  |  |  | 696 |  |  |  | 1,989 |  |  |  | 3,018 |
Collaborative and other research and development revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Department of Health and Human Services |  |  | 2,545 |  |  |  | 752 |  |  |  | 4,152 |  |  |  | 2,638 |
Torii Pharmaceutical Co., Ltd. |  |  | 282 |  |  |  | — |  |  |  | 1,335 |  |  |  | — |
Total collaborative and other research and development revenues |  |  | 2,827 |  |  |  | 752 |  |  |  | 5,487 |  |  |  | 2,638 |
Total revenues |  | $ | 2,871 |  |  | $ | 1,448 |  |  | $ | 7,694 |  |  | $ | 7,335 |

X
- Definition Tabular disclosure representing receivables from collaborations. + References No definition available. + Details
Name: | bcrx_ScheduleOfReceivablesFromCollaborationsTableTextBlock
Namespace Prefix: | bcrx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration