Commitments and Contingencies - Schedule of Undiscounted Future Non-Cancellable Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Other lease information
2026	$ 1,497
2027	1,380
2028	595
2029	48
Total lease payments	3,520
Less: imputed interest	(183)
Total lease liabilities	3,337
Less: current portion of lease liabilities	(1,381)	$ (1,306)
Total lease liabilities, net of current portion	$ 1,956	$ 3,336

Present value of lessee's discounted obligation for lease payments from leases.

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from leases, classified as current.

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from lease, classified as noncurrent.

+ References

No definition available.

+ Details

Name:	mram_LeaseLiabilityNoncurrent
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Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating and financing lease.

+ References

No definition available.

+ Details

Name:	mram_LesseeOperatingAndFinancingLeaseLiabilityPaymentsDue
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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating and financing leases to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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No definition available.

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating and financing lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating and financing lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating and financing lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating and financing lease.

+ References

No definition available.

+ Details

Name:	mram_LesseeOperatingAndFinancingLeaseLiabilityUndiscountedExcessAmount
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Data Type:	xbrli:monetaryItemType
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- References

No definition available.

+ Details

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