Capital Stock (Details) (USD $)
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12 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | |||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2003
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Aug. 31, 2010
Azimuth Opportunity Ltd. [Member]
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Jul. 31, 2010
Azimuth Opportunity Ltd. [Member]
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Aug. 31, 2010
Azimuth Opportunity Ltd. [Member]
2010 Equity Line of Credit [Member]
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Dec. 31, 2010
Azimuth Opportunity Ltd. [Member]
2010 Equity Line of Credit [Member]
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Jul. 31, 2010
Azimuth Opportunity Ltd. [Member]
2010 Equity Line of Credit [Member]
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Apr. 30, 2011
Series B Convertible Preference Shares [Member]
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Dec. 31, 2003
Series B Convertible Preference Shares [Member]
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Apr. 30, 2011
Common Stock [Member]
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Preference Shares Disclosure [Abstract] | ||||||||||||
Preference shares, shares issued (in shares) | 2,959 | |||||||||||
Amount of outstanding debt converted | $ 29,600,000 | |||||||||||
Preference shares, liquidation preference (in dollars per share) | $ 10,000 | |||||||||||
Preference shares, liquidation preference | 29,600,000 | |||||||||||
Preference shares, voting rights | The holder of the Series B preference shares had no voting rights, except as required under Bermuda law. | |||||||||||
Conversion price (in dollars per share) | $ 116.25 | |||||||||||
Conversion of preference shares, shares converted (in shares) | 2,959 | |||||||||||
Conversion of preference shares, shares issued (in shares) | 254,560 | |||||||||||
Equity Line of Credit [Abstract] | ||||||||||||
Value of shares issuable under equity line of credit agreement | 30,000,000 | |||||||||||
Issuance period | 12 months | |||||||||||
Number of shares issuable upon execution of agreement (in shares) | 111,111 | |||||||||||
Shares issued (in shares) | 3,421,407 | |||||||||||
Proceeds from issuance of common stock | $ 77,491,000 | $ 15,143,000 | $ 70,771,000 | $ 14,200,000 |
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- Definition
The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Value of the difference between preference in liquidation and the par or stated values of the preferred shares. No definition available.
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- Details
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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
Description of voting rights of nonredeemable preferred stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Monetary value of the aggregate number common shares issuable under an equity line of credit agreement. No definition available.
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- Definition
Period of time during which capital shares can be issued under the equity line of credit facility. No definition available.
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- Definition
Number of shares issuable upon execution of the equity line of credit facility agreement. No definition available.
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- Definition
The price per share of the common stock conversion feature attached to the convertible preference shares. The conversion is solely within the control of the holder. No definition available.
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