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Stock-Based Compensation (Details) - Stock Option Activity (USD $)
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12 Months Ended | ||
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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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| Stock Option Activity [Abstract] | |||
| Options, Outstanding Number of Share | 714,712 | 785,986 | 301,634 |
| Options, Outstanding Weighted Average Exercise Price | $ 7.17 | $ 7.81 | $ 18.57 |
| Options, Outstanding Weighted Average Remaining Contractual Term | 7 years 211 days | 8 years 175 days | |
| Options, Outstanding Aggregate Intrinsic Value | |||
| Exercisable at December 31, 2013 | 477,478 | ||
| Exercisable at December 31, 2013 | $ 9.29 | ||
| Exercisable at December 31, 2013 | 7 years 102 days | ||
| Exercisable at December 31, 2013 | |||
| Granted | 536,895 | ||
| Granted | $ 2.90 | ||
| Options, Cancelled Number of Share | (34,966) | (41,175) | |
| Options, Cancelled Weighted Average Exercise Price | $ 3.06 | $ 3.06 | |
| Options, Expired Number of Share | (36,308) | (11,368) | |
| Options, Expired Weighted Average Exercise Price | $ 25.01 | $ 78.97 | |
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- Details
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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