XML 77 R66.htm IDEA: XBRL DOCUMENT v2.4.0.6

Commitments and Contingencies (Adverse Purchase Commitments Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Commitments And Contingencies Adverse Purchase Commitments Narrative Details
Loss on commitments to purchase materials for the SHOWWX	$ 500,000	$ 0

X

- Details

Name:	mvis_CommitmentsAndContingenciesAdversePurchaseCommitmentsNarrativeDetailsAbstract
Namespace Prefix:	mvis_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Nonrecurring impairment charges related to the write-off of production-related equipment and inventory. This tag is used when an Entity charges this cost to cost of goods sold.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

+ Details

Name:	us-gaap_ProductionRelatedImpairmentsOrCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration