XML 85 R23.htm IDEA: XBRL DOCUMENT
v3.19.3

Cash, Cash Equivalents, Restricted Cash and Marketable Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Cash Cash Equivalents And Short Term Investments [Abstract] |
Reconciliation of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheet that sum to the total of the same amounts shown in the condensed consolidated statements of cash flows (in thousands):
|  | September 30, 2019 |  |  | December 31, 2018 |  |  | September 30, 2018 |  |  | December 31, 2017 |
Cash and cash equivalents |  | $ | 37,297 |  |  | $ | 49,348 |  |  | $ | 38,712 |  |  | $ | 26,584 |
Restricted cash |  |  | 619 |  |  |  | 619 |  |  |  | 622 |  |  |  | 629 |
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows |  | $ | 37,916 |  |  | $ | 49,967 |  |  | $ | 39,334 |  |  | $ | 27,213 |
Summary of Cash, Cash Equivalents and Marketable Securities | Cash, cash equivalents and marketable securities consist of the following (in thousands):
| Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 3,565 |  |  | $ | - |  |  | $ | - |  |  | $ | 3,565 |
Money market funds |  | 33,732 |  |  |  | - |  |  |  | - |  |  |  | 33,732 |
Total cash and cash equivalents |  | 37,297 |  |  |  | - |  |  |  | - |  |  |  | 37,297 |
Marketable securities available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasuries |  | 1,495 |  |  |  | 2 |  |  |  | - |  |  |  | 1,497 |
U.S. government agency securities |  | 58,718 |  |  |  | 23 |  |  |  | (22 | ) |  |  | 58,719 |
Corporate debt securities |  | 77,399 |  |  |  | 42 |  |  |  | (8 | ) |  |  | 77,433 |
Total marketable securities available-for-sale |  | 137,612 |  |  |  | 67 |  |  |  | (30 | ) |  |  | 137,649 |
Total cash, cash equivalents and marketable securities | $ | 174,909 |  |  | $ | 67 |  |  | $ | (30 | ) |  | $ | 174,946 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 3,147 |  |  | $ | - |  |  | $ | - |  |  | $ | 3,147 |
Money market funds |  | 44,002 |  |  |  | - |  |  |  | - |  |  |  | 44,002 |
Corporate debt securities |  | 2,199 |  |  |  | - |  |  |  | - |  |  |  | 2,199 |
Total cash and cash equivalents |  | 49,348 |  |  |  | - |  |  |  | - |  |  |  | 49,348 |
Marketable securities available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasuries |  | 14,732 |  |  |  | - |  |  |  | (8 | ) |  |  | 14,724 |
U.S. government agency securities |  | 42,416 |  |  |  | - |  |  |  | (44 | ) |  |  | 42,372 |
Corporate debt securities |  | 39,108 |  |  |  | - |  |  |  | (16 | ) |  |  | 39,092 |
Total marketable securities available-for-sale |  | 96,256 |  |  |  | - |  |  |  | (68 | ) |  |  | 96,188 |
Total cash, cash equivalents and marketable securities | $ | 145,604 |  |  | $ | - |  |  | $ | (68 | ) |  | $ | 145,536 |
Maturities of Marketable Securities Available-for-Sale | The maturities of our marketable securities available-for-sale are as follows (in thousands):
|  | September 30, 2019 |
|  | Amortized Cost |  |  | Estimated Fair Value |
Mature in one year or less |  | $ | 117,130 |  |  | $ | 117,178 |
Mature after one year through two years |  |  | 20,482 |  |  |  | 20,471 |
|  | $ | 137,612 |  |  | $ | 137,649 |

X
- Definition Maturities of marketable securities available for sale. + References No definition available. + Details
Name: | dvax_MaturitiesOfMarketableSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | dvax_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reconciliation of cash, cash equivalents and restricted cash to the statement of cash flows. + References No definition available. + Details
Name: | dvax_ReconciliationOfCashCashEquivalentsAndRestrictedCashToStatementOfCashFlowsTableTextBlock
Namespace Prefix: | dvax_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration