Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Income Tax Disclosure [Abstract] | ||
| Federal income tax rate | 34.00% | |
| Effective Income Tax Rate Reconciliation, Amount [Abstract] | ||
| Computed expected tax benefit | $ (1,485) | $ (3,385) |
| State tax benefit, net of federal benefit | (141) | (431) |
| Non-taxable income charge | 231 | 1,241 |
| Nondeductible expenses, principally goodwill & impairment | 14 | 60 |
| Change in valuation allowance | 1,861 | 5,054 |
| Foreign income tax | 125 | 65 |
| Total income tax expense | $ 143 | $ 122 |