Business Segments (Details) (USD $)	3 Months Ended
	Oct. 31, 2012		Oct. 31, 2011	Jul. 31, 2012
Net revenue	$ 5,942,000		$ 5,410,000
Cost of revenue	1,408,000		1,136,000
Operating expense	4,231,000		3,778,000
Interest expense	68,000		62,000
Other expense (income)	(4,000)		(6,000)
Income (loss) from continuing operations before provision for income taxes	239,000
Total assets	22,380,000			20,509,000
Interest rate on intercompany loan	4.24%		8.00%
UNITED STATES [Member]
Cost of revenue	1,386,000
Operating expense	4,092,000
Interest expense	68,000
Other expense (income)	(21,000)
Income (loss) from continuing operations before provision for income taxes	313,000
Total assets	23,867,000
NETHERLANDS [Member]
Cost of revenue	100,000
Operating expense	139,000
Interest expense	17,000
Income (loss) from continuing operations before provision for income taxes	(74,000)
Total assets	338,000
Eliminations [Member]
Cost of revenue	(78,000)	[1]
Interest expense	(17,000)	[2]
Other expense (income)	17,000	[2]
Total assets	(1,825,000)	[3]
External Customers [Member]
Net revenue	5,942,000
External Customers [Member] | UNITED STATES [Member]
Net revenue	5,767,000
External Customers [Member] | NETHERLANDS [Member]
Net revenue	175,000
Intercompany [Member] | UNITED STATES [Member]
Net revenue	71,000
Notes Receivable			1,395,000
Intercompany [Member] | NETHERLANDS [Member]
Net revenue	7,000
Intercompany [Member] | Eliminations [Member]
Net revenue	(78,000)	[1]
Intercompany Trade Accounts Receivable [Member] | UNITED STATES [Member]
Accounts receivable			$ 82,000

[1] The Netherlands segment charges the United States segment for customer support services and the United States segment charges the Netherlands segment for software royalties.

[2] The United States segment charges the Netherlands segment for interest on the intercompany loan at a rate of 4.24%.

[3] Net intercompany loan due from the Netherlands.