Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Significant Components of Deferred Tax (Details)

v3.10.0.1
Income Taxes - Schedule of Significant Components of Deferred Tax (Details) - USD ($)
Jul. 31, 2018
Jul. 31, 2017
Income Tax Disclosure [Abstract]    
Net operating loss carryforwards $ 28,313,000 $ 30,237,000
Credits 2,408,000 2,004,000
Start-up costs 24,000 46,000
Accumulated depreciation 162,000 170,000
Option and stock awards 5,703,000 4,886,000
Other 591,000 686,000
Net deferred tax assets 37,201,000 38,029,000
Valuation allowance for deferred tax assets (37,201,000) (38,029,000)
Net deferred taxes