Employee Benefit Plans - Additional Information (Detail) - USD ($) |
12 Months Ended | |
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Dec. 31, 2013 |
Dec. 31, 2012 |
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| Defined Contribution Plan Disclosure [Line Items] | ||
| Defined Contribution Plan, Contributions by Employer | $ 0 | $ 0 |
| Uk Plan [Member] | ||
| Defined Contribution Plan Disclosure [Line Items] | ||
| Defined Contribution Plan, Contributions by Employer | $ 129,353 | $ 135,553 |
| Uk Plan [Member] | Maximum [Member] | ||
| Defined Contribution Plan Disclosure [Line Items] | ||
| Defined Contribution Plan, Employer contribution percentage | 12.00% | |
| Uk Plan [Member] | Minimum [Member] | ||
| Defined Contribution Plan Disclosure [Line Items] | ||
| Defined Contribution Plan, Employee contribution percentage | 3.00% | |
| Defined Contribution Plan, Employer contribution percentage | 8.00% | |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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- Definition Defined Contribution Plan Contributions By Employer No definition available.
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- Definition Defined Contribution Plan Employee Contribution Percentage No definition available.
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