Marketable Securities (Tables)

12 Months Ended

Jul. 31, 2014

Marketable Securities [Abstract]

Summary of Marketable Securities

(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
July 31, 2014
Available-for-sale securities:
Certificates of deposit*	$	10,375	$	—	$	—		$	10,375
Equity securities		31		—		(9	)		22
Municipal bonds		2,475		1		—			2,476
TOTAL	$	12,881	$	1	$	(9	)	$	12,873
July 31, 2013
Available-for-sale securities:
Certificates of deposit*	$	8,786	$	—	$	—		$	8,786
Municipal bonds		898		—		—			898
TOTAL	$	9,684	$	—	$	—		$	9,684

*Each of the Company’s certificates of deposit has a CUSIP, was purchased in the secondary market through a broker and may be sold in the secondary market.

Summary of Available-for-Sale Securities

(in thousands)	Fair Value
Within one year	$	12,851
After one year through five years		—
After five years through ten years		—
After ten years		—
TOTAL	$	12,851