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Note 6 - Preferred Stock | 12 Months Ended
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Dec. 31, 2014
Disclosure Text Block Supplement [Abstract] |
Preferred Stock [Text Block] | 6. Preferred Stock In 2008, we issued an aggregate of 1,000 shares of our Series D Perpetual Preferred Stock, no par value. Until the completion of the redemption of all of such shares described below, $8.4 million of original issue discount, transaction fees and expenses related thereto were being accreted over a seven-year period ending June 30, 2015. In 2012, we repurchased the remaining approximately $25.9 million in face amount of outstanding Series D Perpetual Preferred Stock, and paid $16.7 million in accrued dividends thereon. We used cash on hand and proceeds from the issuance of our 2020 Notes to fund these transactions. As of December 31, 2014 and 2013, we did not have any shares of our Series D Perpetual Preferred Stock outstanding. Except for the payment of dividends in connection with the repurchases of shares of our Series D Perpetual Preferred Stock, we did not pay cash dividends on the Series D Perpetual Preferred Stock in any period presented. In accordance with the terms of the Series D Perpetual Preferred Stock, the dividend rate thereon was at 17.0% per annum for the year ended December 31, 2012.

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- Definition The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock. + References No definition available. + Details
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