Annual report pursuant to Section 13 and 15(d)

Employee Defined Contribution Plan (Details)

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Employee Defined Contribution Plan (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Employee Defined Contribution Plan (Textual)    
Description of employee deferred contribution plan The plan requires 12 consecutive months of service and a minimum of 500 hours of service for participation.  
Percentage of employer matching contribution 50.00%  
Contribution of the company in employee deferred contribution plan $ 8,942 $ 8,885