CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) (USD $) |
Sep. 30, 2011 |
Dec. 31, 2010 |
|---|---|---|
| Shareholders' equity: | ||
| Common shares, par value (in dollars per share) | $ 0.0075 | $ 0.0075 |
| Common shares, shares authorized (in shares) | 92,666,666 | 92,666,666 |
| Common shares, shares outstanding (in shares) | 33,412,263 | 28,491,318 |
Series B [Member] |
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| Shareholders' equity: | ||
| Preference shares, par value (in dollars per share) | $ 0.05 | $ 0.05 |
| Preference shares, shares authorized (in shares) | 1,000,000 | 1,000,000 |
| Preference shares, shares designated (in shares) | 8,000 | 8,000 |
| Preference shares, shares issued (in shares) | 0 | 2,959 |
| Preference shares, shares outstanding (in shares) | 0 | 2,959 |
| X | ||||||||||
- Definition Face amount or stated value of common stock per share; generally not indicative of the fair market value per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
- Definition The maximum number of preference shares permitted to be issued under a specific class.
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