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股票报酬（股票期权活动摘要）（详情）（美元）
以千为单位，共享体育平台除外，除非另有说明 |
12个月结束 | |||
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12月. 31, 2013
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12月. 31, 2012
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12月. 31, 2011
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12月. 31, 2010
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| 以股份为基础的薪酬安排, 选项, 杰出[向前滚动] | ||||
| 期初未偿期权，股票 | 335,241 | 356,241 | 458,241 | |
| 当然,股票 | 0 | 0 | 0 | |
| 锻炼,股票 | (125,000) | (21,000) | (102,000) | |
| 没收/过期,股票 | 0 | 0 | 0 | |
| 期终未偿期权，股票 | 210,241 | 335,241 | 356,241 | 458,241 |
| 期末可行权期权，股票 | 210,241 | |||
| 以股份为基础的薪酬安排, 选项, 杰出的, 加权平均行权价格[摘要] | ||||
| 期初未偿期权, 加权平均每股行权价（美元/股） | $ 6.37 | $ 6.51 | $ 7.23 | |
| 授予的加权平均行权价格（每股美元） | $ 0.00 | $ 0.00 | $ 0.00 | |
| 已行权加权平均每股行权价格（美元/股） | $ 11.20 | $ 8.80 | $ 9.74 | |
| 被没收/到期，加权平均每股行权价格（美元/股） | $ 0.00 | $ 0.00 | $ 0.00 | |
| 期终未偿期权，加权平均每股行权价格（美元/股） | $ 3.50 | $ 6.37 | $ 6.51 | $ 7.23 |
| 期末可行权期权，加权平均每股行权价格（美元/股） | $ 3.50 | |||
| 未偿期权，期初加权平均剩余合同期限 | 1年0个月26天 | 2年4个月21天 | 3年4个月28天 | 4年5个月23天 |
| 未偿期权，期末加权平均剩余合约期限 | 1年0个月26天 | 2年4个月21天 | 3年4个月28天 | 4年5个月23天 |
| 期末可行权期权，加权平均剩余合同期限 | 1年0个月26天 | |||
| 未偿期权，期初总内在价值 | $ 10,678 | $ 8,172 | $ 6,621 | |
| 累计内在价值 | 4,797 | 628 | 2,308 | |
| 未偿期权，期末总内在价值 | 12,538 | 10,678 | 8,172 | 6,621 |
| 期末可行权期权，总内在价值 | $ 12,538 | |||
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——定义
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. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
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. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
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. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 在‘PnYnMnDTnHnMnS’格式, 例如, ‘P1Y5M13D’代表一年的报告事实, 五个月, 13天. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
用于组合终止的表示, 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 or that expired. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
丧失或到期期权的加权平均价格. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
在此期间授予的股票期权（或股票单位）的净数量. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
未偿期权数量，包括既得期权和非既得期权. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——细节
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——定义
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——细节
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——定义
未偿期权奖励的加权平均剩余合同期限, 在‘PnYnMnDTnHnMnS’格式, 例如, ‘P1Y5M13D’代表一年的报告事实, 五个月, 13天. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
Weighted average price at which option holders acquired shares when converting their stock options into shares. 没有定义.
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——定义
当期行使的股票期权（或股票单位）数量. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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