| Employee Benefit Plan (Details) (USD $) | 12 Months Ended | ||
|---|---|---|---|
| Dec. 31, 2013
 Y | Dec. 31, 2012 | Dec. 31, 2007
 Y | |
| Defined Benefit Plan | |||
| Age limit for eligibility to participate in the plan | 18 | ||
| Matching contributions | 3.00% | 3.00% | |
| Required minimum contribution | 3.00% | ||
| Number of years during period specified | 3 | ||
| Period specified requiring minimum match of 3% | 5 years | ||
| Contributed matching funds | $ 126,322 | $ 102,189 | |
| Minimum | |||
| Defined Benefit Plan | |||
| Matching contributions | 1.00% | ||
| Maximum | |||
| Defined Benefit Plan | |||
| Matching contributions | 3.00% | ||
| X | ||||||||||
| 
- Definition The required minimum employer matching percentage of employees' contributions for three of the first five years of the plan. No definition available. 
 | 
| X | ||||||||||
| 
- Definition The number of years in the specified period in which the employer is required to make a specified matching contribution. No definition available. 
 | 
| X | ||||||||||
| 
- Definition The total period of time for which a required minimum employer matching contribution is specified in some of the years. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Defined contribution plan minimum age limit for eligibility to participate in plan. No definition available. 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Definition The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
 | 
| X | ||||||||||
| 
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available. 
 |