XML 49 R29.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract] |
Schedule of Cash and Equivalents | Cash and cash equivalents consist of highly liquid investments with maturities of three months or less from the date of purchase. Cash and cash equivalents consist of the following at (in thousands):
|  | 2015 |  | 2014 |
Cash |  | $ | 29,569 |  | $ | 4,481 |
Money market funds |  |  | 14,950 |  |  | 20,354 |
Government-backed security |  |  | 20,000 |  |  | 7,500 |
Asset-backed securities |  |  | 8,185 |  |  | — |
Corporate debt securities |  |  | 20,404 |  |  | — |
Cash and cash equivalents |  | $ | 93,108 |  | $ | 32,335 |

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

X
- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration