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Subsequent Events (Details) (USD $)
 12 Months Ended 1 Months Ended 0 Months Ended
Dec. 31, 2010
Dec. 31, 2012
Jan. 31, 2013
Subsequent Event
sqft
Feb. 28, 2013
Subsequent Event
Advertising and Search Service Agreement
Jan. 25, 2013
ARKANSAS
Subsequent Event
Jan. 31, 2013
ARKANSAS
Subsequent Event
Jan. 25, 2013
ARKANSAS
Minimum
Subsequent Event
position
Subsequent Event [Line Items]              
State grant, amount         $ 1,750,000 $ 1,750,000  
Number of Permanent Full Time Positions For State Grant             50
Term for Number of Full Time Positions Required Under State Grant, Term One         4 years    
Term for Number of Full Time Positions Required Under State Grant, Term Two         6 years    
Average Annual Salary Requirement Per Full Time Position Under State Grant         90,000    
Contract Termination Fee     615,000        
Operating Lease Term     2 years        
Area of Real Estate Property     5,834        
Term of operating sublease 2 years            
Future minimum sublease due   $ 193,200          
Service Agreement Term       2 years