Note 18 - Stock Repurchase Program	9 Months Ended
Sep. 30, 2015
Disclosure Text Block Supplement [Abstract]
Treasury Stock [Text Block]	*18. Stock Repurchase Program* In August 2015, the Board of Directors of the Company authorized the resumption of the repurchase of remaining 622,500 shares of its common stock under our November 2007 repurchase program, and repurchase all the shares for $18.1 million, or a $29.08 average price per share. On August 31, 2015, the Board of Directors of the Company adopted a new stock repurchase program to repurchase up to 2.0 million shares of the Company’s common stock. During the third quarter of 2015, the Company repurchased 1.1 million shares for $32.6 million, or a $30.05 average price per share under the August 2015 repurchase program. As of September 30, 2015, there were 915,250 remaining shares that could be purchased in the future under the August 2015 repurchase program.

Note 18 - Stock Repurchase Program

9 Months Ended

Sep. 30, 2015

Disclosure Text Block Supplement [Abstract]

18. Stock Repurchase Program

In August 2015, the Board of Directors of the Company authorized the resumption of the repurchase of remaining 622,500 shares of its common stock under our November 2007 repurchase program, and repurchase all the shares for $18.1 million, or a $29.08 average price per share.

On August 31, 2015, the Board of Directors of the Company adopted a new stock repurchase program to repurchase up to 2.0 million shares of the Company’s common stock. During the third quarter of 2015, the Company repurchased 1.1 million shares for $32.6 million, or a $30.05 average price per share under the August 2015 repurchase program. As of September 30, 2015, there were 915,250 remaining shares that could be purchased in the future under the August 2015 repurchase program.