Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Common Stock To Be Issued	Additional Paid-In Capital	(Accumulated Deficit) Retained Earnings	Treasury Stock	Noncontrolling Interests
Balance Beginning at Jul. 31, 2013	$ 13,855	$ 8	$ 107		$ 14,114			$ (374)
Balance Beginning, Shares at Jul. 31, 2013		787	10,693
Common stock issued for compensation	746		$ 3		743
Common stock issued for compensation, Shares			311
Common stock issued for exercises of stock options	17				17
Common stock issued for exercises of stock options, Shares			3
Common stock issued for deferred stock units
Common stock issued for deferred stock units, Shares			9
Retirement of common stock issued to former employees of IDT Corporation
Retirement of common stock issued to former employees of IDT Corporation, Shares			(3)
Stock options issued for compensation	12				12
Net (loss) income	2,069					2,037		32
Balance at Jul. 31, 2014	16,699	$ 8	$ 110		14,886	2,037		(342)
Balance, Shares at Jul. 31, 2014		787	11,013
Common stock issued or to be issued for compensation	3,347		$ 3	1,495	1,849
Common stock issued or to be issued for compensation, Shares			265
Common stock issued for exercises of stock options	68				68
Common stock issued for exercises of stock options, Shares			12
Common stock issued for deferred stock units
Common stock issued for deferred stock units, Shares			20
Reversal of prior period related party payables	513				513
Common stock repurchased for withholding tax purposes	(545)						(545)
Issuance of treasury shares for 401K match	65						65
Forfeiture of unvested shares
Forfeiture of unvested shares, Shares			(2)
Net (loss) income	(2,076)					(1,965)		(111)
Dividends	(875)							(875)
Balance at Jul. 31, 2015	17,196	$ 8	$ 113	1,495	17,316	72	(480)	(1,328)
Balance, Shares at Jul. 31, 2015		787	11,308
Common stock issued or to be issued for compensation	2,737		$ 1	(1,495)	4,231
Common stock issued or to be issued for compensation, Shares			121
Common stock issued for exercises of stock options	10				10
Common stock issued for exercises of stock options, Shares			2
Stock options issued for compensation	32				32
Issuance of treasury shares for 401K match	52						52
Net (loss) income	(8,646)					(8,297)		(349)
Balance at Jul. 31, 2016	$ 11,381	$ 8	$ 114		$ 21,589	$ (8,225)	$ (428)	$ (1,677)
Balance, Shares at Jul. 31, 2016		787	11,431