Commitments (Details Narrative)		3 Months Ended
	Sep. 04, 2007 USD ($)	Oct. 31, 2017 USD ($) ft²	Oct. 31, 2016 USD ($)
Area of land | ft²		4,000
Lease expiration date description		The lease commenced September 15, 2014 and originally expired on September 30, 2015 and we have exercised our option to renew that extended the expiration to September 15, 2017.
Operating leases, rent expense		$ 11,100	$ 11,000
Manufacturing costs	$ 471,000
Cost of utilities	150,000
Payments on approval of product prototype concepts and designs	$ 150,000
Payments to suppliers		1,700,000
Advances to contract manufacturer		90,000
Purchase obligation		13,900,000
Exer Rest Units [Member]
Purchase obligation, due in next twelve months		2,600,000
Purchase obligation, due in second year		4,100,000
Purchase obligation, due in third year		8,800,000
Sing Lin [Member]
Payables to customers		$ 41,000