Consolidated Balance Sheets (Parenthetical) - $ / shares None in scaling factor is -9223372036854775296	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, no par value
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	109,729,717	100,557,932
Common stock, shares outstanding	109,729,717	100,557,932

Face amount per share of no-par value common stock.

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

-Publisher FASB

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

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

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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