Percentage points subtracted from the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

The percentage of the amount borrowed that must be paid when the loan is prepaid or repaid.

+ References

No definition available.

+ Details

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- Definition

The increase in the interest rate of the debt in the event of default. Percent increase per annum.

+ References

No definition available.

+ Details

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- Definition

Number of interest and principal payments.

+ References

No definition available.

+ Details

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- Definition

Represents the number of months that interest only payments are made per the agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the number of months of equal principal payments plus accrued interest are made per the agreement.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Represents the prepayment fee, as a percentage of the total commitment.

+ References

No definition available.

+ Details

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Namespace Prefix:	mram_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the reimbursement of principal payments per the amended agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the early termination fee of a debt instrument as a percentage of the maximum availability under the facility.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
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-Section S99
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-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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.

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-Topic 210
-SubTopic 10
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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Debt - Credit Facility (Details)			1 Months Ended	12 Months Ended
Debt - Credit Facility (Details)	Jul. 06, 2018 USD ($) payment	May 04, 2017 USD ($) payment	Aug. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
2017 Credit Facility
Debt
Loan agreement amount		$ 12,000,000
Reimbursement of principal payments	$ 1,000,000
End-of-term fee (as a percent)	7.00%	6.00%
Increase in rate in the event of default (as a percentage)				5.00%
Repayment of credit facility			$ 800,000
Principal amount			8,000,000
2017 Credit Facility \| Prepayment period - first 12 months
Debt
Prepayment fee				$ 240,000
2017 Credit Facility \| Prepayment period - months 13-24
Debt
Prepayment fee				$ 120,000
2017 Credit Facility \| Minimum
Debt
Number of interest and principal payments \| payment	24	24
2017 Credit Facility \| Maximum
Debt
Number of interest and principal payments \| payment	36
2017 Credit Facility \| Prime Rate
Debt
Interest rate, negative basis spread percentage	0.75%	0.75%
Effective interest rate				4.75%
2019 Credit Facility - Revolving Line Of Credit
Debt
Loan agreement amount			$ 5,000,000
Agreement term			2 years
Interest rate, basis spread percentage			1.50%
Effective interest rate				10.57%
Commitment fee (as a percentage)			1.60%
Termination fee (as a percentage)			1.00%
Unused facility fee (as a percentage)			0.125%
Debt amount			$ 2,000,000
Remaining availability			$ 3,000,000
Outstanding balance				$ 2,000,000
2019 Credit Facility - Revolving Line Of Credit \| Prime Rate \| Minimum
Debt
Interest rate, basis spread percentage			6.75%
Effective interest rate				6.75%
2019 Credit Facility - Term Loan
Debt
End-of-term fee (as a percent)			7.00%
Agreement term			42 months
Effective interest rate				8.66%
Prepayment fee (as a percentage)			2.00%
Debt amount			$ 6,000,000
Number of months of interest only payment			12 months
Number of months of equal principal payments plus accrued interest			30 months
2019 Credit Facility - Term Loan \| Prime Rate
Debt
Interest rate, negative basis spread percentage			0.75%
Effective interest rate			4.75%