CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interest [Member]
Beginning Balance at Jul. 31, 2011	$ 5,614	$ 15	$ 56,281	$ (1,503)	$ (49,769)	$ 5	$ 585
Beginning Balance at (in shares) at Jul. 31, 2011		3,003,985		(139,580)
Issuance of common stock under employee stock purchase plan	18		18
Issuance of common stock under employee stock purchase plan (in shares)		12,773
Stock-based compensation expense, stock options and ESPP	7		7
Reissuance of treasury stock	0		(2)	2
Reissuance of treasury stock (in shares)				176
Comprehensive income:
Other	(5)					(5)
Net income	512				464		48
Comprehensive income	507
Balance at Jul. 31, 2012	6,146	15	56,304	(1,501)	(49,305)	0	633
Balance (in shares) at Jul. 31, 2012		3,016,758		(139,404)
Stock-based compensation expense, stock options and ESPP	4		4
Reissuance of treasury stock	1		(3)	4
Reissuance of treasury stock (in shares)				320
Comprehensive income:
Net income	222				68		154
Comprehensive income	222
Balance at Jul. 31, 2013	$ 6,373	$ 15	$ 56,305	$ (1,497)	$ (49,237)	$ 0	$ 787
Balance (in shares) at Jul. 31, 2013		3,016,758		(139,084)