Combined and Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock Class A common stock	Common Stock Class B common stock	Group Equity	Common Stock To Be Issued	Additional paid-in capital	Retained Earnings	Treasury Stock	Noncontrolling interests
Balance Beginning at Jul. 31, 2012	$ 1,400			$ 1,478					$ (78)
Balance Beginning, Shares at Jul. 31, 2012
Amount due to IDT Corporation contributed to equity	2,757			2,757
Capital contribution from IDT Corporation in connection with the Spin-Off	$ 12,635			12,635
Incorporation of Company and share distribution on Spin-Off		$ 8	$ 107	(14,229)		$ 14,114
Incorporation of Company and share distribution on Spin-Off, Shares		787	10,693
Common stock repurchased for withholding tax purposes
Stock-based compensation	$ 675			572					$ 103
Net loss	(3,612)			$ (3,213)					(399)
Balance at Jul. 31, 2013	13,855	$ 8	$ 107			$ 14,114			$ (374)
Balance, 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 exercises of deferred stock units
Common stock issued for exercises of 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)
Common stock repurchased for withholding tax purposes
Stock-based compensation	$ 12					$ 12
Net loss	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 exercises of deferred stock units
Common stock issued for exercises of deferred stock units, Shares			20
Reversal of prior period related party payables	$ 513					$ 513
Common stock repurchased for withholding tax purposes	(545)							$ (545)
Sale of treasury stock	$ 65							$ 65
Forfeiture of unvested shares
Forfeiture of unvested shares, Shares			(2)
Net loss	$ (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