Consolidated Statement of Equity (Unaudited) - 9 months ended Apr. 30, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Additional Paid-In Capital	(Accumulated Deficit) Retained Earnings	Treasury Stock	Noncontrolling Interests	Class A Common Stock	Class B Common Stock	To Be Issued Common Stock
Balance at Jul. 31, 2015	$ 17,196	$ 17,316	$ 72	$ (480)	$ (1,328)	$ 8	$ 113	$ 1,495
Balance (in shares) at Jul. 31, 2015						787	11,308
Common stock issued or to be issued for compensation	2,191	3,685					$ 1	$ (1,495)
Common stock issued or to be issued for compensation (in shares)							112
Common stock issued for exercises of stock options	1	$ 1
Net loss	(4,772)		$ (4,503)		$ (269)
Balance at Apr. 30, 2016	$ 14,616	$ 21,002	$ (4,431)	$ (480)	$ (1,597)	$ 8	$ 114
Balance (in shares) at Apr. 30, 2016						787	11,429