Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	May 31, 2017	May 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ 7,784	$ 6,204
Adjustments required to reconcile net loss to net cash used in operating activities:
Depreciation	4	3
Exchange differences and interest on deposits and held to maturity bonds	(109)	(120)
Stock-based compensation	642	590
Shares issued for services	51	81
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	71	(294)
Accounts payable, accrued expenses and related parties	1,128	(301)
Deferred revenues	2,138	4,095
Liability for employee rights upon retirement	4	2
Other liabilities	72
Total net cash used in operating activities	(3,783)	(2,148)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(5)	(9)
Purchase of short-term deposits	(2,057)	(6,511)
Purchase of long-term deposits	(11,000)	(10,874)
Purchase of held to maturity securities	(2,904)	(1,775)
Proceeds from sale of short-term deposits	15,151	8,870
Proceeds from maturity of held to maturity securities	2,105	600
Funds in respect of employee rights upon retirement	(2)	(1)
Total net cash provided by (used in) investing activities	1,288	(9,700)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock and vested restricted stock units net of issuance expenses		10,594
Proceeds from exercise of warrants and options	320	1,338
Total net cash provided by financing activities	320	11,932
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	1	5
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(2,174)	89
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	3,907	3,213
CASH AND CASH EQUIVALENTS AT END OF PERIOD	1,733	3,302
SUPPLEMENTARY DISCLOSURE ON CASH FLOWS -
Interest received	$ 564	$ 187