Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock		Additional paid-in capital	Accumulated other comprehensive income	Accumulated deficit	Total
BALANCE at Aug. 31, 2018	$ 207		$ 99,426	$ 702	$ (69,223)	$ 31,112
BALANCE, Shares at Aug. 31, 2018	17,369
INITIAL ADOPTION OF ASC 606					1,773	1,773
INITIAL ADOPTION OF ASU 2016-01				(702)	702
CHANGES DURING THE THREE/SIX MONTH PERIOD ENDED
SHARES ISSUED FOR SERVICES		[1]	44			44
SHARES ISSUED FOR SERVICES, Shares	11
STOCK-BASED COMPENSATION		[1]	422			422
STOCK-BASED COMPENSATION, Shares
NET LOSS					(8,003)	8,003
BALANCE at Feb. 28, 2019	$ 207		99,892		(74,751)	25,348
BALANCE, Shares at Feb. 28, 2019	17,380
BALANCE at Nov. 30, 2018	$ 207		99,701		(71,050)	28,858
BALANCE, Shares at Nov. 30, 2018	17,377
CHANGES DURING THE THREE/SIX MONTH PERIOD ENDED
SHARES ISSUED FOR SERVICES		[1]	8			8
SHARES ISSUED FOR SERVICES, Shares	3
STOCK-BASED COMPENSATION		[1]	183			183
STOCK-BASED COMPENSATION, Shares
NET LOSS					3,701	3,701
BALANCE at Feb. 28, 2019	$ 207		99,892		(74,751)	25,348
BALANCE, Shares at Feb. 28, 2019	17,380
BALANCE at Aug. 31, 2019	$ 208		100,288		(81,103)	19,393
BALANCE, Shares at Aug. 31, 2019	17,383
CHANGES DURING THE THREE/SIX MONTH PERIOD ENDED
ISSUANCE OF COMMON STOCK, NET	$ 5		2,311			2,316
ISSUANCE OF COMMON STOCK, NET, shares	441
SHARES ISSUED FOR SERVICES			30			30
SHARES ISSUED FOR SERVICES, Shares	8
EXERCISE OF WARRANTS AND OPTIONS	$ 1		12			13
EXERCISE OF WARRANTS AND OPTIONS, Shares	12
STOCK-BASED COMPENSATION			569			569
STOCK-BASED COMPENSATION, Shares
NET LOSS					(6,231)	6,231
BALANCE at Feb. 29, 2020	$ 214		103,210		(87,334)	16,090
BALANCE, Shares at Feb. 29, 2020	17,844
BALANCE at Nov. 30, 2019	$ 209		100,597		(83,646)	17,160
BALANCE, Shares at Nov. 30, 2019	17,400
CHANGES DURING THE THREE/SIX MONTH PERIOD ENDED
ISSUANCE OF COMMON STOCK, NET	$ 5		2,311			2,316
ISSUANCE OF COMMON STOCK, NET, shares	441
SHARES ISSUED FOR SERVICES		[1]	13			13
SHARES ISSUED FOR SERVICES, Shares	3
EXERCISE OF WARRANTS AND OPTIONS
EXERCISE OF WARRANTS AND OPTIONS, Shares
STOCK-BASED COMPENSATION			289			289
STOCK-BASED COMPENSATION, Shares
NET LOSS					3,688	3,688
BALANCE at Feb. 29, 2020	$ 214		$ 103,210		$ (87,334)	$ 16,090
BALANCE, Shares at Feb. 29, 2020	17,844

[1] Represents an amount of less than $1.