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Net Income Per Share Net Income Per Share (Schedule of Securities Excluded from Net Income Per Share) (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Options excluded from diluted net income per share 200 2,000 200 2,000
Warrants excluded from diluted net income per share 250,000 250,000 250,000 250,000
Exercise price of excluded warrants $ 187.50 $ 187.50 $ 187.50 $ 187.50
Minimum [Member]
        
Exercise price of excluded options $ 283.25 $ 177.50 $ 283.25 $ 177.50
Maximum [Member]
        
Exercise price of excluded options $ 357.00 $ 357.00 $ 357.00 $ 357.00