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Income Taxes (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Tax Benefit from Stock Options Exercised | $ 0 | $ (7) | $ (67) |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 3,394 | 4,631 |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 0 | 0 | 0 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 140 | 117 | 65 |
Deferred Tax Assets, Valuation Allowance | 7,832 | 2,006 | $ 1,833 | $ 1,868
Fully Vested Options Expired Unexercised |  |  |  |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 908 | 379 |  |
Restricted Stock |  |  |  |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 421 | $ 58 |  |
United States |  |  |  |
Deferred Tax Assets, Valuation Allowance | 6,554 |  |  |
United States |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 420 |  |  |
ITALY |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 4,473 |  |  |
Deferred Tax Assets, Valuation Allowance | $ 1,230 |  |  |

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