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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Stock Issued During Period, Shares, New Issues | 340,000 | ||
| Stock Issued During Period Shares Preferred New Issues | 40,000 | ||
| Stock Options Exercised,Shares | 332,630 | 64,700 | 10,000 |
| X | ||||||||||
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- Definition
Number of preferred shares issued during the period. No definition available.
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. No definition available.
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| X | ||||||||||
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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