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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Date the equity-based award expires, in CCYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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No definition available.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of non-vested options forfeited.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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No definition available.

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Share-Based Compensation (Details Narrative) - USD ($)		12 Months Ended
Share-Based Compensation (Details Narrative) - USD ($)	Feb. 29, 2016	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation		$ 1,902,000	$ 2,382,000
Weighted Average Exercise Price Granted		$ 1.07
Selling, General and Administrative, and Research and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued		850,000
Officers and Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation		$ 950,000
Mr. Elliott [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted during period		2 years
Shares granted		150,000
Mr. Lambert [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted during period		5 years
Shares granted		200,000
Option granted percentage		33.00%
Mr. Pfanzelter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted during period		5 years
Shares granted		200,000
Mr. Pfanzelter [Member] \| October 31, 2016 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted percentage		33.00%
Messrs. Cohee, Lee, Otis and Dr. Theno [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted during period		5 years
Shares granted		100,000
Messrs. Cohee, Lee, Otis and Dr. Theno [Member] \| January 31, 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted percentage		34.00%
2007 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares increase under the plan	4,000,000
Contractual life vesting periods	10 years
Number of shares available for issuance under the plan		2,000,000
Key Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued		772,500
Third-Party Consultant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued		50,000
Restricted Stock Units RSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested		(2,075,000)	(1,715,000)
Shares outstanding		1,285,000	3,210,000	4,825,000
Shares expected to vest		250,000
Unrecognized non-cash compensation costs		$ 145,000
Unrecognized non-cash compensation costs, weighted average period		9 months 11 days
Shares forfeited		1,122,500
Share-based compensation		$ 1,544,000	$ 2,319,000
Shares granted		1,272,500	600,000
Restricted Stock Units RSU [Member] \| Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued		200,000
Expiration date		Jul. 31, 2018
Restricted Stock Units RSU [Member] \| Third-Party Consultant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested		300,000
Number of shares canceled		150,000
Stock Option Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested		12,500
Share-based compensation		$ 358,000	$ 63,000
Weighted-average contractual term of options outstanding		3 years 29 days
Stock options were exercisable		957,801
Exercise price		$ 2.29
Weighted Average Exercise Price Granted		$ 0.47
Aggregate intrinsic value		$ 46,000
Weighted average remaining contractual term		3 years 2 months 19 days
Unrecognized compensation cost of unvested stock option grants		$ 430,000
Weighted average period over grants are expected to vest		6 months 29 days