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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2013
Stockholders' Equity [Abstract]  
Non-vested Restricted Shares
A table of non-vested restricted shares granted and vested since December 31, 2011 is as follows:

Balance, December 31, 2011
  
63,777
 
Granted
  
57,016
 
Vested
  
(57,577
)
Cancelled
  
(411
)
Balance, December 31, 2012
  
62,805
 
Granted
  
76,283
 
Vested
  
(57,034
)
Cancelled
  
(1,559
)
Balance, December 31, 2013
  
80,495