XML 24 R13.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Note 1 - Significant Accounting Policies (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Notes Tables |
Available-for-sale Securities [Table Text Block] |
|  | June 30, 2017
|  | Amortized Cost |  | Accrued Interest |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Obligations of the U.S. Government and its agencies |  | $ | 26,436 |  |  | $ | 85 |  |  | $ | — |  |  | $ | (11 | ) |  | $ | 26,510 |
Corporate debt securities |  |  | 9,248 |  |  |  | 42 |  |  |  | 1 |  |  |  | (8 | ) |  |  | 9,283 |
Certificates of deposit |  |  | 14,762 |  |  |  | 22 |  |  |  | 9 |  |  |  | (6 | ) |  |  | 14,787 |
Total investments |  | $ | 50,446 |  |  | $ | 149 |  |  | $ | 10 |  |  | $ | (25 | ) |  | $ | 50,580 |
|  | December 31, 2016
|  | Amortized Cost |  | Accrued Interest |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Obligations of the U.S. Government and its agencies |  | $ | 20,266 |  |  | $ | 34 |  |  | $ | 2 |  |  | $ | (4 | ) |  | $ | 20,298 |
Corporate debt securities |  |  | 6,179 |  |  |  | 26 |  |  |  | 2 |  |  |  | (8 | ) |  |  | 6,199 |
Certificates of deposit |  |  | 14,962 |  |  |  | 17 |  |  |  | 7 |  |  |  | (11 | ) |  |  | 14,975 |
Total investments |  | $ | 41,407 |  |  | $ | 77 |  |  | $ | 11 |  |  | $ | (23 | ) |  | $ | 41,472 |
Available For Sale Securities Debt Maturities Fair Value [Table Text Block] |
|  | 2017 |  | 2016
Maturing in one year or less |  | $ | 40,977 |  |  | $ | 32,546 |
Maturing after one year through two years |  |  | 9,603 |  |  |  | 8,926 |
Total investments |  | $ | 50,580 |  |  | $ | 41,472 |
Schedule of Receivables from Collaborations [Table Text Block] |
|  | June 30, 2017
|  | Billed |  | Unbilled |  | Total
U.S. Department of Health and Human Services |  | $ | 276 |  |  | $ | 1,630 |  |  | $ | 1,906 |
Shionogi & Co. Ltd. |  |  | 107 |  |  |  | — |  |  |  | 107 |
Green Cross Corporation |  |  | 359 |  |  |  | — |  |  |  | 359 |
Seqirus UK Limited |  |  | 747 |  |  |  | 206 |  |  |  | 953 |
Total receivables |  | $ | 1,489 |  |  | $ | 1,836 |  |  | $ | 3,325 |
|  | December 31, 2016
|  | Billed |  | Unbilled |  | Total
U.S. Department of Health and Human Services |  | $ | — |  |  | $ | 3,495 |  |  | $ | 3,495 |
Shionogi & Co. Ltd. |  |  | 3,451 |  |  |  | — |  |  |  | 3,451 |
Green Cross Corporation |  |  | 686 |  |  |  | — |  |  |  | 686 |
Seqirus UK Limited |  |  | 957 |  |  |  | 179 |  |  |  | 1,136 |
Total receivables |  | $ | 5,094 |  |  | $ | 3,674 |  |  | $ | 8,768 |
Schedule of Inventory, Current [Table Text Block] |
|  | 2017 |  | 2016
Work in process |  | $ | 1,305 |  |  | $ | 500 |
Inventories |  | $ | 1,305 |  |  | $ | 500 |
Schedule of Revenues from Collaborations [Table Text Block] |
|  | Three Months |  | Six Months
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Royalty revenue |  | $ | 489 |  |  | $ | 629 |  |  | $ | 6,810 |  |  | $ | 2,519 |
Collaborative and other research and development revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Department of Health and Human Services |  |  | 2,161 |  |  |  | 3,709 |  |  |  | 2,815 |  |  |  | 6,033 |
Shionogi & Co. Ltd. |  |  | 296 |  |  |  | 296 |  |  |  | 592 |  |  |  | 592 |
Seqirus UK Limited |  |  | 153 |  |  |  | 153 |  |  |  | 2,319 |  |  |  | 463 |
Total collaborative and other research and development revenues |  |  | 2,610 |  |  |  | 4,158 |  |  |  | 5,726 |  |  |  | 7,088 |
Total revenues |  | $ | 3,099 |  |  | $ | 4,787 |  |  | $ | 12,536 |  |  | $ | 9,607 |

X
- Definition Tabular disclosure of available for sale securities debt maturities fair value. + References No definition available. + Details
Name: | bcrx_AvailableForSaleSecuritiesDebtMaturitiesFairValueTableTextBlock
Namespace Prefix: | bcrx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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 schedule of revenues from collaborations. + References No definition available. + Details
Name: | bcrx_ScheduleOfRevenuesFromCollaborationsTableTextBlock
Namespace Prefix: | bcrx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + 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(6)(b)) -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 4: 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(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
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