Note 11 - Equity (Tables)

12 Months Ended

Dec. 31, 2018

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		Maximum Approximate Dollar Value of Shares That May Yet Be Purchased Under the Program
January 1, 2018 to March 31, 2018	383,801	$	15.50	383,801	$	29,933,055
April 1, 2018 to June 30, 2018	-		-	-		-
July 1, 2018 to September 30, 2018	-		-	-		-
October 1, 2018 to December 31, 2018	-		-	-		-
Total	383,801	$	15.50	383,801	$	29,933,055