Property and Equipment (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Property and equipment, gross | $ 7,602 | $ 7,453 |
| Less accumulated depreciation and amortization | 3,892 | 3,113 |
| Property and equipment, net | 3,710 | 4,340 |
| Depreciation expense | 900 | 1,200 |
| Machinery and Equipment [Member] | ||
| Property and equipment, gross | 2,598 | 2,537 |
| Furniture and Fixtures [Member] | ||
| Property and equipment, gross | 1,031 | 1,043 |
| Software [Member] | ||
| Property and equipment, gross | 666 | 655 |
| Leasehold Improvements [Member] | ||
| Property and equipment, gross | $ 3,307 | $ 3,218 |