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STOCK-BASED COMPENSATION - Information concerning outstanding and exercisable options (Details 1) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Number of Outstanding and exercisable options |
22,700 |
102,100 |
102,100 |
| Weighted Average Strike Prices |
$ 15.37 |
$ 4.99 |
$ 4.99 |
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Stock Option
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Number of Outstanding and exercisable options |
22,700 |
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| Weighted Average Strike Prices |
$ 15.37 |
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Stock Option | Strike Prices $4.80
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Number of Outstanding and exercisable options |
5,000 |
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| Weighted Average Strike Prices |
$ 4.80 |
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Stock Option | Strike Prices $17.84
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Number of Outstanding and exercisable options |
9,500 |
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| Weighted Average Strike Prices |
$ 17.84 |
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Stock Option | Strike Prices $18.89
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Number of Outstanding and exercisable options |
7,500 |
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| Weighted Average Strike Prices |
$ 18.89 |
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Stock Option | Strike Prices $19.50
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Number of Outstanding and exercisable options |
700 |
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| Weighted Average Strike Prices |
$ 19.50 |
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