Note 8 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

	For the Three Months Ended March 31, 2018						For the Three Months Ended March 31, 2017
	Class A Common Stock			Class B Common Stock			Class A Common Stock			Class B Common Stock
	(In thousands, except per share data)
Numerator for net income per share - basic:
Net income	$	3,630		$	3,676		$	3,234		$	3,287
Allocation of distributed and undistributed income to unvested restricted stock shareholders		(15	)		(14	)		(27	)		(27	)
Net income attributable to common shareholders	$	3,615		$	3,662		$	3,207		$	3,260
Denominator for net income per share - basic:
Weighted average common shares outstanding - basic		20,884			3,527			20,737			3,513
Net income per share – basic	$	0.17		$	1.04		$	0.15		$	0.93
Numerator for net income per share - diluted:
Net income attributable to common shareholders for basic computation	$	3,615		$	3,662		$	3,207		$	3,260
Denominator for net income per share - diluted:
Weighted average common shares outstanding - basic		20,884			3,527			20,737			3,513
Weighted average effect of dilutive securities – stock options		953			103			508			63
Denominator for diluted earnings per share – adjusted weighted average shares		21,837			3,630			21,245			3,576
Net income per share – diluted	$	0.17		$	1.01		$	0.15		$	0.91