Significant Accounting Policies - Schedule of Revenue Recognition Return Reserves (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Accounting Policies [Abstract] | ||
| Balance at the beginning of the year | $ 67 | $ 77 |
| Provision | 71 | 265 |
| Write-off and recoveries | (125) | (275) |
| Balance at the end of the year | $ 13 | $ 67 |