Note 13 - Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity

The following table is a summary of the Company’s stock options:

Options	Number of Shares			Weighted Average Exercise Price
Outstanding at December 31, 2018		1,051,623		$	41.41
Granted		65,000			39.66
Exercised		(4,000	)		16.25
Forfeited or expired		(6,150	)		46.02
Outstanding at March 31, 2019		1,106,473			41.37
Granted		65,663			42.42
Exercised		(4,375	)		25.79
Forfeited or expired		(8,938	)		52.68
Outstanding at June 30, 2019		1,158,823			41.40
Exercisable at June 30, 2019		442,864		$	34.17

Summary of Nonvested Stock Options, Restricted Stock and Performance Shares

The following table is a summary of the Company’s nonvested stock options, restricted stock and performance shares for which the requisite service period has not been rendered but that are expected to vest on the achievement of a performance condition:

	Nonvested
	Stock Options					Restricted Stock				Performance Shares
	Number of Shares			Weighted- Average Grant-Date Fair Value		Number of Shares		Weighted- Average Grant-Date Fair Value		Number of Shares			Weighted- Average Grant-Date Fair Value
Nonvested at December 31, 2018		601,513		$	17.83		-	$	-		152,000		$	46.61
Granted		65,000			15.04		25,000		44.21		5,000			45.64
Vested during period		(7,000	)		9.26		-		-		-			-
Forfeited		(5,900	)		17.36		-		-		(5,750	)		40.65
Nonvested at March 31, 2019		653,613			17.65		25,000		44.21		151,250			46.80
Granted		65,663			16.40		15,729		40.06		-			-
Vested during period		(1,250	)		16.32		-		-		-			-
Forfeited		(2,067	)		17.50		-		-		(17,250	)		40.65
Nonvested at June 30, 2019		715,959		$	17.54		40,729	$	42.61		134,000		$	47.59