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v3.7.0.1

Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended | 57 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2017
Statement Of Cash Flows [Abstract] |  |  |
Warrant liability reduced | $ 139 | $ 55 |
Leasehold improvements | $ 374 | $ 144 | $ 518

X
- Definition Leasehold improvements funded by lease incentive. + References No definition available. + Details
Name: | onvo_LeaseholdImprovementsFundedByLeaseIncentive
Namespace Prefix: | onvo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References No definition available. + Details
Name: | us-gaap_ProceedsFromWarrantExercises
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration