Significant Accounting Policies (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	Dec. 28, 2015	Nov. 30, 2015	Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019	Sep. 02, 2019	Aug. 31, 2019	Jul. 31, 2015
Significant Accounting Policies (Textual)
Milestone payment received					$ 20,500
Right of use assets and lease liabilities			$ 99		99
License agreement value					22,382
Recognize revenue					11,370
Deferred costs			$ 11,012		$ 11,012
Recognized revenue, description					Of which $674 was recognized in the quarter ended February 29, 2020.
Securities excluded from the calculation of diluted net loss			4,840,417	4,234,081	4,736,787	4,293,395
Non-refundable amount									$ 500
Milestone payment, description					The initial payment of $3,000 was received in January 2016. Following the achievement of certain milestones, the second and third payments of $6,500 and $4,000, respectively, were received in July 2016, the fourth milestone payment of $4,000 was received in October 2016 and the fifth milestone payment of $3,000 was received in January 2019.
Accumulated deficit			$ (87,334)		$ (87,334)			$ (81,103)
Operating lease liability							$ 113
Operating lease Assets							$ 113
Stock Purchase Agreement [Member]
Significant Accounting Policies (Textual)
Number of common stock issued ,value	$ 10,617
Total consideration	49,500
Issuance expenses	23
License Agreement [Member]
Significant Accounting Policies (Textual)
Number of common stock issued ,value	$ 38,883
Deferred costs			11,012		$ 11,012
HTIT [Member]
Significant Accounting Policies (Textual)
Percentages of royalties on net sales					10.00%
Aggregate license costs					$ 37,500
License costs payable			3,000		3,000
Amount paid subject to the Company entering into certain agreements			8,000		8,000
Payable upon achievement of certain milestones and conditions			$ 26,500		$ 26,500
Royalty commitment description					In the event that the Company does not meet certain conditions, the Royalties rate may be reduced to a minimum of 8%. Following the final expiration of the Company's patents covering the technology in the Territory in 2033, the Royalties rate may be reduced, under certain circumstances, to 5%.
Royalty term					15 years
HTIT [Member] | Stock Purchase Agreement [Member]
Significant Accounting Policies (Textual)
Number of common stock issued		1,155,367
Number of common stock issued ,value		$ 12,000