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Consolidated Balance Sheets (Parenthetical) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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Convertible Class B Stock [Member]
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| Common Stock, Par value | $ 0.01 | $ 0.01 |
| Common Stock, Shares authorized | 10,000,000 | 10,000,000 |
| Common Stock, Shares issued | 4,590,149 | 6,487,921 |
| Common Stock, Shares outstanding | 4,590,149 | 6,487,921 |
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Common Stock [Member]
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| Common Stock, Par value | $ 0.01 | $ 0.01 |
| Common Stock, Shares authorized | 40,000,000 | 40,000,000 |
| Common Stock, Shares issued | 13,268,299 | 10,865,212 |
| Common Stock, Shares outstanding | 13,268,299 | 10,865,212 |
| X | ||||||||||
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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