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Stock-based Compensation (Details)
3 Months Ended 70 Months Ended 3 Months Ended 70 Months Ended 3 Months Ended 70 Months Ended 3 Months Ended 70 Months Ended 3 Months Ended 111 Months Ended 3 Months Ended 111 Months Ended
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Options Awards [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Options Awards [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Unrestricted Stock Awards [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Unrestricted Stock Awards [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Restricted Stock Awards [Member]
Mar. 31, 2014
Employee Stock Award Plan-2008 [Member]
Restricted Stock Awards [Member]
Mar. 31, 2014
Director Plan - 2005 [Member]
Mar. 31, 2014
Director Plan - 2005 [Member]
Mar. 31, 2014
Director Plan - 2005 [Member]
Options Awards [Member]
Mar. 31, 2014
Director Plan - 2005 [Member]
Options Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Percentage of option awards vest and exercisable in installments 20.00%                      
Expiration period     10 years                  
Vesting period             5 years          
Share-based Compensation Arrangement by Share-based Payment Award Available for Grant [Roll Forward]                        
Beginning balance 353,649               103,912      
Inception to Date, Beginning balance   1,900,000               300,000    
Number of awards granted 313,288 1,995,784     0 4,555     0 202,091    
Number of awards forfeited or expired 500 136,645             0 6,003    
Ending balance 40,861 40,861             103,912 103,912    
Number of option awards exercised     26,532 408,300             0 3,156
Number of restricted stock awards vested             0 18,576     0 6,402