Note 5 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Shares			Weighted-average Exercise Price		Weighted-average Remaining Contractual Life (in years)		Aggregate Intrinsic Value (in thousands)
Balance, December 31, 2015		1,031,170		$	31.27		0.9	$	3,268
Exercised		(2,110	)		23.37
Forfeited		(608,670	)		36.46
Balance, March 31, 2016		420,390		$	23.80		1.8	$	2,026
Forfeited		(12,000	)		38.26
Balance, June 30, 2016		408,390		$	23.37		1.6	$	1,973
Exercised		-			-
Forfeited		-			-
Balance, September 30, 2016		408,390		$	23.37		1.4	$	3,026
Exercisable, September 30, 2016		408,390		$	23.37		1.4	$	3,026

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Units
Balance at December 31, 2015		542,375
Granted		88,693
Vested		(13,780	)
Forfeited		(3,290	)
Balance at September 30, 2016		613,998

Schedule Of Tax Benefit Short Fall From Share Based Payment Arrangements [Table Text Block]

	Three months ended September 30,				Nine months ended September 30,
(Dollars in thousands)	2016		2015		2016			2015
Tax benefit/(short-fall) of tax deductions in excess of grant-date fair value	$	-	$	17	$	(3,366	)	$	(5,602	)
Benefit of tax deductions on grant-date fair value		-		275		3,370			6,421
Total benefit of tax deductions	$	-	$	292	$	4		$	819