XML 38 R18.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Fair Value Measurements (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2015
Fair Value Disclosures [Abstract] |
Fair Value Hierarchy for Financial Assets Measured at Fair Value on Recurring Basis | The following table represents the fair value hierarchy for our financial assets (cash equivalents and marketable securities) measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014 (in thousands):
| Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
June 30, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 30,847 |  |  | $ | - |  |  | $ | - |  |  | $ | 30,847 |
U.S. government agency securities |  | - |  |  |  | 56,895 |  |  |  | - |  |  |  | 56,895 |
Total | $ | 30,847 |  |  | $ | 56,895 |  |  | $ | - |  |  | $ | 87,742 |
| Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
December 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 46,989 |  |  | $ | - |  |  | $ | - |  |  | $ | 46,989 |
U.S. government agency securities |  | - |  |  |  | 73,141 |  |  |  | - |  |  |  | 73,141 |
Total | $ | 46,989 |  |  | $ | 73,141 |  |  | $ | - |  |  | $ | 120,130 |

X
- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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