Note 9 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months Ended September 30, 2019			Three months Ended September 30, 2018
	Common Stock			Common Stock (formerly Class A)
	(In thousands, except per share data)
Numerator for net income per share - basic:
Net income	$	8,119		$	6,992
Allocation of distributed and undistributed income to unvested restricted stock shareholders		(27	)		(22	)
Net income attributable to common shareholders	$	8,092		$	6,970
Denominator for net income per share - basic:
Weighted average common shares outstanding - basic		24,827			24,671
Net income per share – basic	$	0.33		$	0.28
Numerator for net income per share - diluted:
Net income attributable to common shareholders for basic computation	$	8,092		$	6,970
Denominator for net income per share - diluted:
Weighted average common shares outstanding - basic		24,827			24,671
Weighted average effect of dilutive securities – stock options		914			855
Denominator for diluted earnings per share – adjusted weighted average shares		25,741			25,526
Net income per share – diluted	$	0.31		$	0.27

	Nine Months Ended September 30, 2019			Nine Months Ended September 30, 2018
	Common Stock			Common Stock (formerly Class A)			Class B Common Stock
	(In thousands, except per share data)
Numerator for net income per share - basic:
Net income	$	23,708		$	17,622		$	4,624
Allocation of distributed and undistributed income to unvested restricted stock shareholders		(80	)		(61	)		(18	)
Net income attributable to common shareholders	$	23,628		$	17,561		$	4,606
Denominator for net income per share - basic:
Weighted average common shares outstanding - basic		24,794			23,184			3,527
Net income per share – basic	$	0.95		$	0.76		$	1.31
Numerator for net income per share - diluted:
Net income attributable to common shareholders for basic computation	$	23,628		$	17,561		$	4,606
Denominator for net income per share - diluted:
Weighted average common shares outstanding - basic		24,794			23,184			3,527
Weighted average effect of dilutive securities – stock options		830			899			101
Denominator for diluted earnings per share – adjusted weighted average shares		25,624			24,083			3,628
Net income per share – diluted	$	0.92		$	0.73		$	1.27