Note 8 - Stock Repurchase Program

12 Months Ended

Dec. 31, 2015

Disclosure Text Block [Abstract]

Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]

 8. STOCK REPURCHASE PROGRAM

In July 2013, the Board of Directors approved a stock repurchase program that authorized the Company to repurchase up to $100 million in the aggregate of its common stock through June 30, 2015. In April 2015, the Board of Directors approved an extension of the program through December 31, 2015. All shares were retired upon repurchase. The following table summarizes the repurchase activity under the program (in thousands, except per-share amounts):

	Shares Repurchased		Average Price Per Share		Total Amount
Cumulative balance at January 1, 2013		-	$	-	$	-
Repurchases		664	$	31.06		20,615
Cumulative balance at December 31, 2013		664	$	31.06		20,615
Repurchases		1,051	$	39.19		41,198
Cumulative balance at December 31, 2014		1,715	$	36.04		61,813
Repurchases		645	$	50.05		32,286
Cumulative balance at December 31, 2015		2,360	$	39.87	$	94,099

As of December 31, 2015, the stock repurchase program expired with a remaining balance of $5.9 million.