Income Taxes - Provision for Income Taxes from Continuing Operations Differs from the Federal Statutory Income Tax Rate (Detail) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Income Tax Disclosure [Abstract] | ||
| Federal statutory tax rate | 34.00% | 34.00% |
| State taxes | 0.30% | (1.60%) |
| Goodwill impairment | (25.10%) | 0.00% |
| Change in valuation allowance | (7.50%) | (33.70%) |
| Stock-based compensation | (0.10%) | (0.60%) |
| Meals, entertainment and other | (0.10%) | (0.20%) |
| Total | 1.50% | (2.10%) |