Earnings (Loss) Per Share (Tables)

3 Months Ended

Oct. 31, 2014

Earnings (Loss) Per Share [Abstract]

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

	Three Months Ended October 31,
	2014		2013
	(in thousands)
Basic weighted-average number of shares		11,398		10,508
Effect of dilutive securities:
Shares underlying stock options		10		—
Non-vested restricted Class B common stock		395		—
Diluted weighted-average number of shares		11,803		10,508

Summary of shares excluded from the diluted earnings per share computations

	Three Months Ended  October 31,
	2014		2013
	(in thousands)
Shares underlying stock options		—		32
Non-vested restricted Class B common stock		—		1,279
Shares excluded from the calculation of diluted loss per share		—		1,311