Significant Accounting Policies - Schedule of Warranty Reserve Activities (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Accounting Policies [Abstract] | ||
| Balance at the beginning of the year | $ 94 | $ 121 |
| Charges to cost of goods sold | 141 | 73 |
| Costs applied to liability | (111) | (100) |
| Balance at the end of the year | $ 124 | $ 94 |