Line of credit receivable amount.

No definition available.

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- Definition

Milestone payments eligible for achievement.

+ References

No definition available.

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- Definition

Nature of business and basis of presentation.

+ References

No definition available.

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- Definition

Payment for exclusivity and technology access fee.

+ References

No definition available.

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- Definition

Payment of milestone based amount.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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- Definition

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

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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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Nature of Business and Basis of Presentation - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	Nov. 22, 2019	Nov. 05, 2019	Jan. 31, 2020	Jan. 31, 2019	Oct. 31, 2020	Oct. 31, 2019	Feb. 15, 2020	Feb. 14, 2020
Nature Of Business And Basis Of Presentation [Line Items]
Research and development expenses			$ 1,155	$ 6,280
Common stock, shares reserved for issuance			10,275,873
Common stock, shares authorized			225,000,000			225,000,000
Subsequent Event [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Common stock, shares authorized							337,500,000	112,500,000
Common Stock [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Common stock, shares available for issuance			14,034,171
Orion Energy Partners Investment Agent, LLC Credit Facility [Member] \| Senior Secured Credit Facility [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Long-term line of credit						$ 200,000
Orion Energy Partners Investment Agent, LLC Credit Facility [Member] \| Initial Funding [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Drew down to fully repay debt outstanding						14,500
Orion Energy Partners Investment Agent, LLC Credit Facility [Member] \| Second Funding [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Drew down to fully repay debt outstanding	$ 65,500
Orion Energy Partners Investment Agent, LLC Credit Facility [Member] \| Remainder of Funding [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Line of credit receivable amount			$ 120,000			$ 120,000
Joint Development Agreement [Member] \| Exxon Mobile Research And Engineering Company [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Payment for exclusivity and technology access fee		$ 5,000
Joint Development Agreement [Member] \| Maximum [Member] \| Exxon Mobile Research And Engineering Company [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Research and development expenses		45,000
Milestone-based payments		$ 10,000
Joint Development Agreement [Member] \| Scenario Forecast [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Milestone payments eligible for achievement					$ 5,000