Note 8 - Equity (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Class of Treasury Stock [Table Text Block]

Period	Total Number of Shares Purchased		Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Program (1)		Maximum Approximate Dollar Value of Shares That May Yet Be Purchased Under the Program
July 1, 2015 to July 31, 2015		-	$	-		-	$	-
August 1, 2015 to August 31, 2015		2,562,065		9.40		2,562,065		50,000,000
September 1, 2015 to September 30, 2015		-		-		-		-
July 1, 2015 to September 30, 2015		2,652,065	$	9.40		2,652,065	$	50,000,000
October 1, 2015 to October 31, 2015		-	$	-		-	$	-
November 1, 2015 to November 30, 2015		1,631,119		11.64		1,631,119		19,000,000
December 1, 2015 to December 31, 2015		464,257		12.83		464,257		6,000,000
October 1, 2015 to December 31, 2015		2,095,376	$	11.91		2,095,376		25,000,000
Total		4,747,441	$	10.51		4,747,441	$	25,000,000