Note D - Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Property and equipment, gross | $ 2,575 | $ 881 |
| Less: accumulated depreciation and amortization | (605) | (478) |
| Property and equipment, net | 1,970 | 403 |
| Laboratory Equipment [Member] | ||
| Property and equipment, gross | 842 | 530 |
| Furniture and Fixtures [Member] | ||
| Property and equipment, gross | 733 | 169 |
| Computer and Hardware [Member] | ||
| Property and equipment, gross | 231 | 176 |
| Leasehold Improvements [Member] | ||
| Property and equipment, gross | $ 769 | $ 6 |