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

12 Months Ended

Apr. 30, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

	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

	Year Ended April 30, 2016
	First Quarter		Second Quarter			Third Quarter		Fourth Quarter		Total
Revenues	$	142,690	$	133,004		$	137,463	$	154,749	$	567,906
Gross profit		52,508		46,074			49,089		53,960		201,631
Net income		4,616		(485	)		4,102		3,363		11,596
Net income attributable to common stockholders		4,606		(495	)		4,092		3,353		11,556
Earnings per share:
Basic		0.54		(0.06	)		0.49		0.41		1.38
Diluted		0.52		(0.06	)		0.47		0.40		1.33