2.4.0.81030 - Disclosure - Sale of I/O Technologytruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000890394duration2013-01-01T00:00:002013-06-30T00:00:001true 1mosy_AssetPurchaseAgreementDisclosureAbstractmosy_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Sale of I/O Technology2false 2mosy_AssetPurchaseAgreementDisclosureTextBlockmosy_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> Note 3: Sale of I/O Technology   In March 2012, the Company entered into an asset purchase agreement for the sale of a portion of its intellectual property pertaining to its high-speed serial I/O technology for a gain of approximately $4.3 million. As part of the agreement, the Company provided certain technology transfer support services, and 15 employees of the Company’s India subsidiary accepted employment with the purchaser. The Company received approximately $2.2 million, net of transaction costs, in cash upon execution of the agreement. The agreement provided for an additional $1.9 million (the “Holdback”) to be paid upon providing technology transfer support services, achievement of certain contractually agreed-upon development milestones and expiration of an indemnification period.  In July 2012 and March 2013, $1.3 million and $0.6 million, respectively, of the Holdback payment was received, and no further amounts are due to the Company.  These amounts have been recorded as gains on sale of assets and reductions of operating expenses in the condensed consolidated statements of operations and comprehensive loss. </div>falsefalsefalsenonnum:textBlockItemTypenaRepresents the entire disclosure pertaining to asset purchase agreement of the entity.No definition available.false0Sale of I/O TechnologyfalseSale of I/O TechnologyUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.mosys.com/role/DisclosureSaleOfIOTechnology12