Summary of Significant Accounting Policies - Basis of Presentation and Use of Estimates (Details) - USD ($) $ / shares in Units, shares in Thousands				1 Months Ended	3 Months Ended		12 Months Ended
	Aug. 23, 2016	Aug. 04, 2016	Jul. 06, 2016	Dec. 31, 2015	Nov. 30, 2016	Nov. 30, 2015	Aug. 31, 2016	Aug. 31, 2015	Dec. 16, 2016
Losses from operations					$ 1,103,000	$ 3,132,000	$ 20,600,000	$ 13,300,000
Gross losses (profits) on product sales					(116,000)	1,444,000	4,900,000	4,100,000
Net cash used in operating activities					1,121,000	563,000	3,400,000	4,500,000
Cash and cash equivalents					4,827,000	$ 3,469,000	$ 6,030,000	$ 4,808,000
Total consideration of sale price of Taiwan headquarters building				$ 5,200,000
Receipt from initial installment of cash consideration for the sale of its headquarters building				3,000,000
Second installment				1,000,000
Third installment				$ 1,200,000
Well Thrive
Newly issued shares of common stock (in shares)	577
Convertible note | Well Thrive
Share purchase price	$ 2,885,000
Advance receipt toward convertible note					$ 500,000
Liquidating damages owed to entity if buyer does not purchase convertible note									$ 500,000
Dr. Peter Chiou (the "Investor") | Convertible note | Well Thrive
Threshold consecutive trading days		5 days	5 days
Issuance of debt		$ 1,615,000	$ 1,615,000
Interest rate of convertible note		0.00%	0.00%
Conversion price of convertible note		$ 3.40	$ 3.40