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CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	68,828,560	68,109,287
Common stock, shares outstanding	68,828,560	68,109,287

X

- Definition

Face amount or stated value per share of common stock.

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-Name Accounting Standards Codification



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-Section S99



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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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-Topic 505



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