Retirement Plan (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Retirement Plan (Textual) [Abstract]
Employee's contribution to retirement plan	4.00%
Percentage of employees contribution	50.00%
Percentage of company match	2.00%
Employers contribution	$ 220,000	$ 105,000

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration