| X | ||||||||||
- Definition Issuance of common stock shares in connection with registered direct offering. No definition available.
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| X | ||||||||||
- Definition Issuance of common stock value in connection with registered direct offering. No definition available.
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| X | ||||||||||
- Definition Share value withheld for taxes upon options exercised. No definition available.
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| X | ||||||||||
- Definition Shares withheld for taxes upon options exercised. No definition available.
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| X | ||||||||||
- Definition Shares withheld for taxes upon restricted and performance stock awards vesting. No definition available.
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| X | ||||||||||
- Definition Shares withheld for taxes upon restricted and performance stock awards vesting, shares. No definition available.
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| X | ||||||||||
- Definition Shares withheld for taxes upon restricted stock awards vesting shares. No definition available.
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| X | ||||||||||
- Definition Stock issued during period shares at the market offering net of offering costs. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value at the market offering net of offering costs. No definition available.
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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| X | ||||||||||
- Definition Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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