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CONSOLIDATED BALANCE SHEETS - Unaudited (Parenthetical) - $ / shares | Sep. 30, 2019 | Dec. 31, 2018
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Statement of Financial Position [Abstract] |  |
Common shares, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Common shares, authorized | 70,000,000 | 70,000,000
Common shares, issued | 38,409,217 | 36,501,356
Common shares, outstanding | 38,409,217 | 36,501,356
Excess shares, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Excess shares, authorized | 30,000,000 | 30,000,000
Excess shares, issued | 0 | 0

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- Definition The maximum number of excess shares permitted to be issued by an entity's charter and bylaws. + References No definition available. + Details
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- Definition The number of excess shares sold or granted to shareholders. + References No definition available. + Details
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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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