Represents the term of the agreement.

No definition available.

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- Definition

The amount of expense incurred related to a collaborative agreement.

+ References

No definition available.

+ Details

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- Definition

The amount of the total obligation of an expense related to the collaborative agreement.

+ References

No definition available.

+ Details

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- Definition

Compensation expense related to vesting of common stock.

+ References

No definition available.

+ Details

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- Definition

Estimated fair value of common stock per share.

+ References

No definition available.

+ Details

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- Definition

Represents milestone payment due per agreement.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Represents the period during which the related party possess the exclusive right to manufacture the Company's discrete and embedded ST-MRAM devices developed pursuant to the agreement, after the completion of the relevant statement of work under which the device was developed.

+ References

No definition available.

+ Details

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- Definition

Represents the period during which the related party possess the exclusive right to manufacture the Company's discrete and embedded ST-MRAM devices developed pursuant to the agreement, after the qualification of the MRAM device for a particular technology node.

+ References

No definition available.

+ Details

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- Definition

The period of time the unvested common shares are subject to repurchase by the Company if the JDA is terminated for any reason, at a price that is the lower of the original price paid by GF or the fair value of the Company?s common stock as of the date of repurchase.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
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Balance Type:	credit
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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

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-Publisher FASB
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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
-Paragraph 2
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Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Significant Agreements (Details) - USD ($)				1 Months Ended				3 Months Ended		9 Months Ended		25 Months Ended
Significant Agreements (Details) - USD ($)	Aug. 21, 2016	Oct. 21, 2014	Oct. 17, 2014	Sep. 30, 2018	Jun. 30, 2018	Feb. 28, 2018	Aug. 31, 2016	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Dec. 31, 2017
Joint development agreement
Research and development expense								$ 6,453,000	$ 6,420,000	$ 19,706,000	$ 19,236,000
Number of shares sold						3,772,447
Non-cash compensation expense (income)										709,000	1,224,000
Joint Development Agreement \| Global Foundries
Joint development agreement
Agreement Term			4 years
Period to Repurchase Shares		1 year
Period of possession of exclusive right to manufacture after qualification of device			3 years
Period of possession of exclusive right to manufacture after completion of device development work			4 years
Research and development expense								1,600,000	850,000	5,900,000	4,100,000
Milestone payment due per the agreement					$ 1,000,000		$ 1,600,000
Milestone revenue								$ 300,000	0	$ 800,000	1,200,000
Joint Development Agreement \| Global Foundries \| Common Stock
Joint development agreement
Number of shares sold		461,538
Shares sold, price per share		$ 0.00026
Number of shares of common stock, vested	211,538											211,538
Number of shares of common stock, unvested				9,615				9,615		9,615		9,615
Estimated fair value of common stock per share				$ 7.68				$ 7.68		$ 7.68		$ 7.68	$ 7.50
Joint Development Agreement \| Global Foundries \| Research and Development
Joint development agreement
Non-cash compensation expense (income)								$ 247,000	$ 508,000	$ 709,000	$ 1,200,000
Joint Development Agreement \| Global Foundries \| Series B Redeemable Convertible Preferred Stock
Joint development agreement
Number of shares sold		192,307
Shares sold, price per share		$ 26.00
Collaborative Agreement \| Silterra
Joint development agreement
Non-recurring engineering cost obligation				$ 1,000,000
JCA costs								$ 500,000		$ 500,000