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Stock options exercisable.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Price of a single share of a number of saleable stocks of a company.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Aggregate value of stock related to Restricted Stock Awards issued during the period.

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