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Subsequent events - Additional Information (Detail) (USD $) | 12 Months Ended | 1 Months Ended | 0 Months Ended
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Dec. 31, 2013 | Jan. 31, 2015 | Mar. 04, 2015
eNeura Inc [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Maturity description of promissory note | The eNeura Note will mature on the earlier of (i) March 4, 2019, or (ii) consummation of the acquisition (as described below), unless converted or prepaid at an earlier date. |  |
Scenario, Forecast [Member] | Tempus [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Net sales consideration transferred |  | $ 2,100,000 us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = ofix_TempusMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |
Consideration in cash |  | 4,800,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = ofix_TempusMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |
Scenario, Forecast [Member] | eNeura Inc [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Non-refundable fees paid |  |  | 250,000 ofix_NonRefundableFees / us-gaap_BusinessAcquisitionAxis = ofix_EneuraIncMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Principal amount of promissory note |  |  | 15,000,000 ofix_PrincipalAmountOfPromissoryNote / us-gaap_BusinessAcquisitionAxis = ofix_EneuraIncMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Accrued interest on promissory note |  |  | 8.00%ofix_AccruedInterestOnPrincipalAmountOfPromissoryNote / us-gaap_BusinessAcquisitionAxis = ofix_EneuraIncMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Amount paid to former shareholders |  |  | $ 65,000,000 ofix_AmountPaidToFormerShareholdersOnCertainAdjustmentsOnAssetsAndLiabilities / us-gaap_BusinessAcquisitionAxis = ofix_EneuraIncMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember

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- Definition Amount paid to former shareholders on certain adjustments an assets and liabilities. + References No definition available. + Details
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- Definition Maturity description of Promissory note. + References No definition available. + Details
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- Definition Principal Amount Of Promissory Note + References No definition available. + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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