Common Stock (Details) - USD ($)					1 Months Ended		12 Months Ended
	Jul. 06, 2021	Jun. 22, 2021	May 25, 2020	Jan. 17, 2020	Jul. 31, 2021	Jun. 30, 2021	Aug. 31, 2021	Aug. 31, 2020
Class Of Stock [Line Items]
Common stock, par value (in dollars per share)							$ 0.0000056	$ 0.0000056
Conversion of notes into common stocks							$ 650,000	$ 592,000
Common stock, shares issued							4,460,000	4,011,000
Common stock value
Issuance of common stock							$ 4,302,000	$ 700,000
Claims From Well Thrive Ltd. | Settlement Agreement
Class Of Stock [Line Items]
Common stock, shares issued		35,365				35,365
Common stock value						$ 650,000
Issuance of common stock		$ 0				$ 0
Roth Capital Partners LLP | Sales Agreement
Class Of Stock [Line Items]
Common stock, shares issued					344,391
Issuance of common stock					$ 4,175,225
Placement agent fees and legal fees					$ 126,576
Commission as a percent of gross proceeds of sale of placement shares	3.00%
Roth Capital Partners LLP | Sales Agreement | Maximum
Class Of Stock [Line Items]
Aggregate offering price of placement shares	$ 20,000,000
J.R. Simplot Company | Trung Doan
Class Of Stock [Line Items]
Convertible unsecured promissory notes			$ 300,000
Conversion of notes into common stocks			$ 100,000
XianChang Ma
Class Of Stock [Line Items]
Common stock purchased under private placement, share				150,000
Common stock, par value (in dollars per share)				$ 4.00
Percentage of common stock sold in outstanding shares				4.00%
Common stock purchase price				$ 600,000
FengShuang Zhu.
Class Of Stock [Line Items]
Common stock purchased under private placement, share			33,333
Common stock, par value (in dollars per share)			$ 3.00
Common stock purchase price			$ 100,000