Equity (Tables)

3 Months Ended

Mar. 31, 2013

The following table presents information regarding the Company’s preferred stock (in thousands):



	March 31, 2013	December 31, 2012
Shares authorized	50,000	50,000
Shares outstanding at end of period
8.5% Convertible perpetual preferred stock	2,650	2,650
6.0% Convertible perpetual preferred stock	2,000	2,000
7.0% Convertible perpetual preferred stock	3,000	3,000

Preferred Stock Dividends

Paid and unpaid dividends included in the calculation of loss applicable to the Company’s common stockholders and the Company’s basic loss per share calculation for the three-month periods ended March 31, 2013 and 2012 as presented in the accompanying unaudited condensed consolidated statements of operations, are included in table below (in thousands):



	Three Months Ended March 31,
	2013						2012
	Dividends Paid		Dividends Unpaid		Total		Dividends Paid		Dividends Unpaid		Total
8.5% Convertible perpetual preferred stock	$	2,815	$	2,816	$	5,631	$	2,815	$	2,816	$	5,631
6.0% Convertible perpetual preferred stock	500		2,500		3,000		500		2,500		3,000
7.0% Convertible perpetual preferred stock	—		5,250		5,250		—		5,250		5,250
Total	$	3,315	$	10,566	$	13,881	$	3,315	$	10,566	$	13,881

Common Stock

The following table presents information regarding the Company’s common stock (in thousands):



	March 31, 2013	December 31, 2012
Shares authorized	800,000	800,000
Shares outstanding at end of period	493,327	490,359
Shares held in treasury	1,278	1,219