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Net Income Per Common Share (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Convertible preferred stock included in diluted earnings per share (in shares) 293,057 293,057
Employee Stock Option [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 75,000 75,000
Convertible Notes [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 66,666 66,666
Convertible notes principal amount 200,000 200,000