Stockholders' Equity (Deficit) (Stock Purchase) (Details) - 2014 Employee Stock Purchase Plan - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Oct. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Stockholders' Equity | |||
| Discount rate on the value of shares through payroll deductions (as a percent) | 15.00% | ||
| Vesting period | 27 months | ||
| Expiration period of each offering | 6 months | ||
| Rate of purchase price of stock on fair value (as a percent) | 85.00% | ||
| Number of shares reserved for future issuance | 404,629 | ||
| Purchases under the award | 44,250 | ||
| Weighted Average purchase price | $ 12.75 | ||
| Number of shares available for future grants | 360,379 | ||
| Stock-based compensation expense | $ 375 | $ 34 | |
| Maximum | |||
| Stockholders' Equity | |||
| Rate of increase in the number of shares available for grant every year on outstanding common stock (as a percent) | 1.00% | ||
| Number of shares available for future grants | 3,000,000 | ||