Fair market value of unvested shares percentage.

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- Definition

Share based compensation arrangement by share based payment award fair value assumptions forfeitures percentage.

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No definition available.

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- Definition

Represents the provisional minimum percentage of outstanding stock owned by stockholders of options were granted.

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No definition available.

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Expected term description.

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No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term.

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- Definition

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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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

Number of options vested.

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No definition available.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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No definition available.

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Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

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No definition available.

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- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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Stock-Based Compensation (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended					12 Months Ended
Stock-Based Compensation (Details Narrative) - USD ($)	Oct. 31, 2022	Oct. 31, 2021	Jan. 31, 2023	Jul. 31, 2022	Jan. 31, 2022	Jul. 31, 2021	Jan. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average grant date fair value	$ 7.31	$ 33.00						$ 14.30	$ 62.70
Common stock issued for services		$ 42,500						$ 42,500	$ 467,500
Number of shares authorized for issuance	4,545,455			4,545,455		4,545,455		4,545,455	4,545,455
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation costs	$ 100,000			$ 200,000				$ 200,000
Allocated share based compensation expense	$ 53,000	$ 76,000						$ 200,000	$ 700,000
Weighted-average period term	7 months 17 days							10 months 13 days
Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock issued for services,shares		568						568	6,250
Common stock issued for services
Consultants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock issued for services,shares		568
Common stock issued for services		$ 40,000.00
2011 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average remaining contractual term	8 years 1 month 6 days							10 years
Number of options issued	2,273							34,018
Intrinsic value of options outstanding, value										$ 8,000	$ 1,400,000
Allocated share based compensation expense	$ 500,000							$ 900,000
Weighted-average period term	7 months 6 days							9 months 29 days
Fair value vested								$ 2,100,000	$ 3,500,000
2011 Plan [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average remaining contractual term	10 years
2011 Plan [Member] \| Employee, Director and Consultants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares for issuance	209,091			209,091				209,091
2011 Plan [Member] \| Employee, Director and Consultants [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of common stock percent	100.00%							100.00%
Percentage of outstanding stock owned by stockholders	110.00%							110.00%
2011 Plan [Member] \| Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of vesting shares									35,955
Stock-based compensation costs						$ 1,200,000			$ 1,200,000
Term of stock options		10 years						10 years
Exercise price, lower range		$ 44.22						$ 44.22	$ 48.84
Exercise price, upper range		$ 49.72						$ 49.72	$ 168.08
2011 Plan [Member] \| Employees [Member] \| Nonqualified Stock Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Term of stock options								10 years	10 years
Exercise price, lower range									$ 78.32
Exercise price, upper range								$ 18.48	$ 163.90
2011 Plan [Member] \| Employees [Member] \| Stock Option Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocated share based compensation expense	$ 300,000
2011 Plan [Member] \| Employees [Member] \| Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued								31,818	26,818
2011 Plan [Member] \| Employees [Member] \| Common Stock [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued								1,064
2011 Plan [Member] \| Employees [Member] \| Common Stock [Member] \| Equity Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued		1,064
2011 Plan [Member] \| Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of vesting shares									4,167
Stock-based compensation costs						$ 100,000			$ 100,000
Term of stock options	10 years								10 years
Exercise price, lower range									$ 69.52
Exercise price, upper range	$ 9.94								$ 75.46
2011 Plan [Member] \| Director [Member] \| Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued	2,273								15,341
2011 Plan [Member] \| Consultant [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Term of stock options								10 years	10 years
Exercise price, upper range								$ 31.24	$ 84.04
2011 Plan [Member] \| Consultant [Member] \| Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued									1,136
2011 Plan [Member] \| Consultant [Member] \| Common Stock [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued								1,136
2011 Plan [Member] \| Employees [Member] \| Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options issued									61,856
Term of stock options									10 years
2011 Plan [Member] \| Employee, Director and Consultants [Member] \| Stock Option Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocated share based compensation expense		$ 500,000						$ 1,400,000	$ 4,400,000
2011 Plan [Member] \| Employee, Director and Consultants [Member] \| Stock Option Awards [Member] \| Research and Development Expense [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocated share based compensation expense	$ 100,000	300,000						700,000	2,600,000
2011 Plan [Member] \| Employee, Director and Consultants [Member] \| Stock Option Awards [Member] \| General and Administrative Expense [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocated share based compensation expense	200,000	200,000						$ 700,000	$ 1,800,000
2011 Plan [Member] \| Consultants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock issued for services,shares								568	6,250
Common stock issued for services								$ 40,000.00	$ 500,000
2015 Employee Stock Purchase Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Allocated share based compensation expense	$ 300	$ 1,200						$ 1,800	$ 10,300
Number of shares authorized for issuance	2,273			2,273				2,273
Stock Repurchased	1,218			1,218				1,218
Discount from market price, offering date	15.00%							15.00%
Fair value maturity				six-month	six-month	six-month	six-month
Fair value risk free interest rate				0.49%	0.05%	0.07%	0.10%
Fair value volatility rate				83.58%	72.99%	88.03%	122.84%
Fair value forfeitures percentage				0.00%	0.00%	0.00%	0.00%
Fair value dividend				$ 0	$ 0	$ 0	$ 0
2015 Employee Stock Purchase Plan [Member] \| Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value maturity			six-month
Fair value risk free interest rate			2.91%
Fair value volatility rate			75.04%
Fair value forfeitures percentage			0.00%
Fair value dividend			$ 0
2015 Employee Stock Purchase Plan [Member] \| Six Month Call on Unvested Share [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair market value of unvested shares percentage	85.00%							85.00%
2015 Employee Stock Purchase Plan [Member] \| Six Month Put on Unvested Share [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair market value of unvested shares percentage	15.00%							15.00%