Note N - Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Apr. 30, 2018

Notes Tables

Quarterly Financial Information [Table Text Block]

	Year Ended April 30, 2018
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Revenues	$	146,418	$	149,118	$	147,214	$	169,451	$	612,201
Gross profit		53,068		54,804		53,215		61,168		222,255
Net income		6,992		5,969		13,379		10,169		36,509
Net income attributable to common stockholders		6,982		5,959		13,369		10,159		36,469
Earnings per share:
Basic		0.92		0.82		1.88		1.47		5.04
Diluted		0.90		0.79		1.82		1.43		4.90

	Year Ended April 30, 2017
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Revenues	$	145,840	$	150,210	$	138,784	$	152,917	$	587,751
Gross profit		54,171		55,173		49,427		56,451		215,222
Net income		7,109		5,018		2,836		5,242		20,205
Net income attributable to common stockholders		7,099		5,008		2,826		5,232		20,165
Earnings per share:
Basic		0.89		0.64		0.36		0.68		2.57
Diluted		0.87		0.62		0.35		0.66		2.49