Lease expiration.

No definition available.

Name:	MVIS_LeaseExpiration
Namespace Prefix:	MVIS_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Operating and finance lease remaining lease term.

+ References

No definition available.

+ Details

Name:	MVIS_OperatingAndFinanceLeaseRemainingLeaseTerm
Namespace Prefix:	MVIS_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of lessee's finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeFinanceLeaseDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of lessee's operating lease.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseOptionToExtend
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash payments to lessor's for use of assets under operating leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

Name:	us-gaap_PaymentsForRent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LeaseContractualTermAxis=MVIS_FirstLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=MVIS_SecondLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=MVIS_ThirdLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
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LEASES (Details Narrative) - USD ($) $ in Millions		1 Months Ended				3 Months Ended
LEASES (Details Narrative) - USD ($) $ in Millions	Apr. 21, 2025	Dec. 31, 2023	Sep. 30, 2022	Apr. 30, 2022	Sep. 30, 2021	Mar. 31, 2025
Lessee finance lease description						Finance leases contain options to purchase the leased property. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless the Company is reasonably certain to exercise the purchase option.
Lease expires					expires in July 2032
Option to extend term					option to extend the term for one ten-year renewal period
Lease expiration					expires in December 2032
First Lease [Member]
Lease expiration				expiration of November 2027
Second Lease [Member]
Lease expiration			expiration from April 2027 to April 2025
Third Lease [Member]
Lease expiration		expires in October 2029, includes an option to extend the term for two three-year renewal periods
Subsequent Event [Member]
Rent payments	$ 0.1
Minimum [Member]
Operating and finance lease remaining lease term						1 year
Maximum [Member]
Operating and finance lease remaining lease term						8 years