Note 9 - Dividends and Dividend Equivalents (Tables)

12 Months Ended

Dec. 31, 2014

Dividends And Dividend Equivalents [Abstract]

Schedule of Dividends Payable [Table Text Block]

	Dividend Declared		Total
	per Share		Amount
Second quarter	$	0.15	$	5,817
Third quarter	$	0.15	$	5,823
Fourth quarter	$	0.15	$	5,826