Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Operating activities:
Net (loss) income	$ (8,646)	$ (2,076)	$ 2,069
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Common stock issued or to be issued for compensation	2,737	3,347	746
Stock-based compensation	32		12
Issuance of treasury shares for 401K match	52
Gain from sale of patent		(35)
Deferred income taxes		2,809	(2,809)
Changes in assets and liabilities:
Trade accounts receivable, net	42	(21)	(1)
Prepaid expenses and other current assets	(1,354)	(181)	(2)
Prepaid expenses - related to settlements and licensing	783	4,977	(5,760)
Other assets	11	20	104
Trade accounts payable	446	238	(1)
Accrued expenses	214	(538)	(139)
Due to IDT Corporation		(6)	6
Deferred revenue	(1,586)	(10,179)	11,535
Income taxes payable		(245)	455
Net cash (used in) provided by operating activities	(7,269)	(1,890)	6,215
Investing activities:
Purchase of intangibles		(15)
Proceeds from sale of patent		35
Net cash provided by investing activities		20
Financing activities:
Common stock issued upon exercise of stock options	10	68	17
Sale of treasury stock		65
Dividends paid to stockholders of noncontrolling interests		(875)
Net cash provided by (used in) financing activities	10	(742)	17
Net (decrease) increase in cash and cash equivalents	(7,259)	(2,612)	6,232
Cash and cash equivalents at beginning of year	18,620	21,232	15,000
Cash and cash equivalents at end of year	11,361	18,620	21,232
Supplemental schedule of noncash activities
Common stock repurchased for withholding tax purposes		545
Reversal of prior period related party payables		513
Supplemental cash flow information
Cash paid during the year for income taxes	$ 15	$ 119