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股票补偿 (Summary Of Stock Option Plans By 行使价格) (Details) (USD $)
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12月. 31, 2011
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| 股份补偿, 股票期权计划授权的股份, 期权价格范围〔分项〕 | |
| 杰出的数量 | 356,241 |
| 可操作的数量 | 356,241 |
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行权价格$3.36(成员)
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| 股份补偿, 股票期权计划授权的股份, 期权价格范围〔分项〕 | |
| 行使价格 | 3.36 |
| 杰出的数量 | 206,241 |
| 加权平均剩余寿命（年） | 3.06 |
| 可操作的数量 | 206,241 |
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行权价格$9.07(成员)
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| 股份补偿, 股票期权计划授权的股份, 期权价格范围〔分项〕 | |
| 行使价格 | 9.07 |
| 杰出的数量 | 25,000 |
| 加权平均剩余寿命（年） | 3.69 |
| 可操作的数量 | 25,000 |
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行权价格$11.20(成员)
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| 股份补偿, 股票期权计划授权的股份, 期权价格范围〔分项〕 | |
| 行使价格 | 11.20 |
| 杰出的数量 | 125,000 |
| 加权平均剩余寿命（年） | 3.92 |
| 可操作的数量 | 125,000 |
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——定义
The price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. 没有定义.
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——细节
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——定义
The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, 它可以用多种方式表达(例如, 年, 个月). 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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