Note 6 - Preferred Stock	12 Months Ended
Dec. 31, 2013
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 borrowings under our 2020 Notes to fund these transactions. As of December 31, 2013 and 2012, 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 years ended December 31, 2012 and 2011.

Note 6 - Preferred Stock

12 Months Ended

Dec. 31, 2013

Disclosure Text Block Supplement [Abstract]

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 borrowings under our 2020 Notes to fund these transactions. As of December 31, 2013 and 2012, 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 years ended December 31, 2012 and 2011.