XML 22 R25.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Available-for-sale Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2015
Summary of Available for Sale Securities | The following is a summary of available-for-sale securities at September 30, 2015 (in thousands):
|  | September 30, 2015 |
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized Loss |  |  | Fair Value |
Money market funds |  | $ | 42,169 |  |  | $ | — |  |  | $ | — |  |  | $ | 42,169 |
United States government agency securities |  |  | 30,000 |  |  |  | 3 |  |  |  | — |  |  |  | 30,003 |
Corporate debt securities |  |  | 18,973 |  |  |  | 3 |  |  |  | (11 | ) |  |  | 18,965 |
Aduro equity securities |  |  | — |  |  |  | 7,684 |  |  |  | — |  |  |  | 7,684 |
Total available-for-sale securities |  | $ | 91,142 |  |  | $ | 7,690 |  |  | $ | (11 | ) |  | $ | 98,821 |
The following is a summary of available-for-sale securities at December 31, 2014 (in thousands):
|  | December 31, 2014 |
|  | Amortized Cost |  |  | Gross Unrealized Loss |  |  | Fair Value |
Money market funds |  | $ | 3,912 |  |  | $ | — |  |  | $ | 3,912 |
United States government agency securities |  |  | 3,427 |  |  |  | (1 | ) |  |  | 3,426 |
Corporate debt securities |  |  | 26,118 |  |  |  | (30 | ) |  |  | 26,088 |
Total available-for-sale securities |  | $ | 33,457 |  |  | $ | (31 | ) |  | $ | 33,426 |
Available for Sale Debt Securities by Original Contractual Maturity | Available-for-sale debt securities at September 30, 2015 and December 31, 2014, consisted of the following by original contractual maturity (in thousands):
|  | September 30, 2015 |  |  | December 31, 2014 |
|  | Amortized Cost |  |  | Fair Value |  |  | Amortized Cost |  |  | Fair Value |
One year or less |  | $ | 91,142 |  |  | $ | 91,137 |  |  | $ | 27,752 |  |  | $ | 27,727 |
Greater than one year and less than five years |  |  | — |  |  |  | — |  |  |  | 5,705 |  |  |  | 5,699 |
Total available-for-sale debt securities |  | $ | 91,142 |  |  | $ | 91,137 |  |  | $ | 33,457 |  |  | $ | 33,426 |

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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