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Net Income Per Share Net Income Per Share (Schedule of Securities Excluded from Net Income Per Share) (Details) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Options excluded from diluted net income per share | 382,500 | 200 | 382,500 | 200
Warrants excluded from diluted net income per share |  | 250,000 |  | 250,000
Exercise price of excluded warrants |  | $ 187.50 |  | $ 187.50
Minimum [Member] |  |  |  |
Exercise price of excluded options | $ 3.90 | 283.25 | $ 3.90 | 283.25
Maximum [Member] |  |  |  |
Exercise price of excluded options | $ 5.62 | $ 357.00 | $ 5.62 | $ 357.00

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- Definition Exercise price of the option. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Footnote 5 + Details
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