Earnings per Share (Tables)

6 Months Ended

Jan. 31, 2020

Earnings Per Share [Abstract]

Schedule of weighted-average number of shares calculation of basic and diluted earnings per share

	Three Months Ended January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
	(in thousands)
Basic weighted-average number of shares		10,229		10,051		10,212		10,038
Effect of dilutive securities:
Stock options		371		-		-		-
Non-vested restricted Class B common stock		3		-		-		-
Deferred stock units		12		-		-		-
Diluted weighted-average number of shares		10,615		10,051		10,212		10,038

Schedule of shares excluded from the dilutive earnings per share computations

	Three Months Ended January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
	(in thousands)
Stock options		937		1,301		1,330		1,301
Non-vested restricted Class B common stock		141		253		172		253
Deferred stock units		-		-		93		-
Shares excluded from the calculation of diluted earnings per share		1,078		1,554		1,595		1,554