COMMITMENTS AND CONTINGENCIES (Details Textual) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended
	Sep. 04, 2007	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013	Jul. 31, 2013
Commitments And Contingencies [Line Items]
Operating Leases, Rent Expense		$ 20,000	$ 30,000	$ 36,000	$ 59,000
Manufacturing Costs	471,000
Cost of Utilities	150,000
Payments to Suppliers				1,700,000
Payments On Approval Of Product Prototype Concepts And Designs	150,000
Purchase Obligation		13,900,000		13,900,000		13,900,000
Exer Rest Units [Member]
Commitments And Contingencies [Line Items]
Purchase Obligation, Due in Next Twelve Months		2,600,000		2,600,000
Purchase Obligation, Due in Second Year		4,100,000		4,100,000
Purchase Obligation, Due in Third Year		8,800,000		8,800,000
Sing Lin [Member]
Commitments And Contingencies [Line Items]
Payables to Customers		$ 41,000		$ 41,000