Settlement of Acquisition Obligations - Classification (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Business Acquisition [Line Items] | |||
| Change in estimate of contingent liabilities | $ 0 | $ 0 | $ 12 |
| Settlement of acquisition obligations | $ 0 | $ 0 | 892 |
| Forgiveness of net receivable due to us | |||
| Business Acquisition [Line Items] | |||
| Change in estimate of contingent liabilities | 78 | ||
| Adjustment to performance-related contingent obligation | |||
| Business Acquisition [Line Items] | |||
| Change in estimate of contingent liabilities | (66) | ||
| Forgiveness of special fee | |||
| Business Acquisition [Line Items] | |||
| Settlement of acquisition obligations | 500 | ||
| Forgiveness of convertible promissory note, including interest | |||
| Business Acquisition [Line Items] | |||
| Settlement of acquisition obligations | 592 | ||
| Payment by us | |||
| Business Acquisition [Line Items] | |||
| Settlement of acquisition obligations | $ (200) | ||