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Represents the Options to purchase Common Stock at an exercise price of $0.286 per share expired (number of shares), during the indicated time period.

No definition available.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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Number of shares authorized for issuance under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
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Net number of share options (or share units) granted during the period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
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-Name Accounting Standards Codification
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Number of options outstanding, including both vested and non-vested options.

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-Topic 718
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Amount of noncash expense for option under share-based payment arrangement.

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