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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding and exercisable.

No definition available.

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Number of options outstanding and exercisable, including both vested and non-vested options.

No definition available.

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Weighted average price per share at which the shares are outstanding and exercisable under the stock option plan.

No definition available.

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Data Type:	num:perShareItemType
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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.

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Number of options outstanding, including both vested and non-vested options.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

No definition available.

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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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Data Type:	num:perShareItemType
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Number of share options (or share units) exercised during the current period.

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