Income Taxes (Details Narrative) - USD ($) |
12 Months Ended | |
|---|---|---|
Jul. 31, 2018 |
Jul. 31, 2017 |
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| Income tax position will not be recognized | less than a 50% | |
| Net operating loss carryforward expire year | 2028 | |
| Valuation allowance for deferred tax | $ 37,201,000 | $ 38,029,000 |
| Valuation allowance increase, amount | 800,000 | $ 8,800,000 |
| Federal [Member] | ||
| Net operating loss carryforwards | 103,100,000 | |
| Federal [Member] | Research and Development [Member] | ||
| Tax credit carryforwards | 1,200,000 | |
| California [Member] | ||
| Net operating loss carryforwards | 98,100,000 | |
| California [Member] | Research and Development [Member] | ||
| Tax credit carryforwards | 1,300,000 | |
| California [Member] | Hiring Credits [Member] | ||
| Tax credit carryforwards | 9,300 | |
| Australia [Member] | ||
| Net operating loss carryforwards | $ 600,000 | |
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- Definition Net operating loss carryforward expire year. No definition available.
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Description of the likelihood that an uncertainty in income taxes will not be sustained as a result of the examination by the taxing authority. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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