Summary of Significant Accounting Policies - Schedule of Warranty Activity (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Movement in Standard Product Warranty Accrual [Roll Forward] | ||
| Balance at the beginning of the year | $ 81 | $ 75 |
| Accruals for warranties issued | 255 | 49 |
| Settlements made during the year (in cash or in kind) | (22) | (43) |
| Accrued warranty expense | $ 314 | $ 81 |