Note 4 - Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

	Three Months Ended March 31,
	2013			2012
	(Dollars in thousands, except per share amounts)
Numerator:
Net income	$	21,824		$	8,523
Less: Net income allocated to preferred shareholder		(8,903	)		(3,674	)
Less: Net income allocated to unvested restricted stock		(22	)		―
Net income available to common stockholders for basic earnings per common share		12,899			4,849
Effect of dilutive securities:
Net income allocated to preferred shareholder		8,903			3,674
Interest on 1.25% convertible senior notes due 2032, included in cost of sales		41			―
Net income available to common and preferred stock for diluted earnings per share	$	21,843		$	8,523
Denominator:
Weighted average basic common shares outstanding		214,166,912			195,109,252
Weighted average additional common shares outstanding if preferred shares converted to common shares (if dilutive)		147,812,786			147,812,786
Total weighted average common shares outstanding if preferred shares converted to common shares		361,979,698			342,922,038
Effect of dilutive securities:
Stock options		7,467,654			4,764,725
1.25% convertible senior notes due 2032		31,312,850			―
Weighted average diluted shares outstanding		400,760,202			347,686,763
Income per share:
Basic	$	0.06		$	0.02
Diluted	$	0.05		$	0.02