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Preferred and Common Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 28, 2013
Jan. 09, 2009
Mar. 31, 2016
Mar. 31, 2015
May. 31, 2015
Class of Stock [Line Items]          
Number of shares of common stock issuable pursuant to the Warrants, maximum (in shares)   225,904     226,819
Exercise price of the Warrants (in dollars per share)   $ 16.60     $ 16.53
Term of warrants   10 years      
Proceeds from sale of common stock (in shares) 760,771        
Proceeds from sale of common stock $ 11,649   $ 121 $ 110  
Outstanding CPP shares - value $ 10,000        
Issuance of common stock for plans     121 110  
Capital Purchase Program          
Class of Stock [Line Items]          
Issuance of common stock for plans     $ 121 $ 110  
Series A Preferred Stock          
Class of Stock [Line Items]          
Proceeds from issuance of CPP Shares   $ 25,000