Note C - Prepaid Expenses and Other Current Assets - Components of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Prepaid insurance | $ 333 | $ 290 |
| Other receivables | 58 | 2,375 |
| Other prepaid expenses and current assets | 98 | 93 |
| Total | $ 489 | $ 2,758 |