Note 11 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Dividends Transactions [Table Text Block]

Record Date	Payment Date	Rate per common share		Aggregate amount paid to holders of record (in thousands)
January 15, 2013	January 30, 2013	$	0.23	$	1,725
February 15, 2013	February 27, 2013		0.23		1,725
March 15, 2013	March 27, 2013		0.23		1,725