Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Operating activities:
Net loss	$ (30,035)	$ (2,908)
Adjustments to reconcile net loss to net cash used in operating activities:
Common stock issued for compensation	4,286	1,586
Stock-based compensation	193
Allowance for doubtful accounts	7
Changes in assets and liabilities:
Trade accounts receivable, net	(7)	34
Inventory
Prepaid expenses - related to IP settlements and licensing		783
Prepaid expenses and other current assets	65	1
Prepaid expenses - development agreement		(700)
Other assets	1	8
Trade accounts payable	324	(114)
Accrued expenses	(674)	(359)
FCC consent decree payable	15,000
Deferred revenue	112	(1,546)
Income taxes payable	(4)
Settlement payable - stockholders	7,200
Net cash used in operating activities	(3,532)	(3,215)
Investing activities:
Purchases of property and equipment		(56)
Net cash used in investing activities		(56)
Financing activities:
Common stock issued upon exercise of stock options	8	1
Net cash provided by financing activities	8	1
Net decrease in cash and cash equivalents	(3,524)	(3,270)
Cash and cash equivalents at beginning of period	11,361	18,620
Cash and cash equivalents at end of period	7,837	15,350
Supplemental schedule of noncash activities
Reclassification of prepaid marketing to inventory	643
Unpaid deferred loan costs	8
Supplemental cash flow information
Cash paid during the period for income taxes	$ 7	$ 3