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Common Stock - Additional Information 1 (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | ||
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Unrecognized compensation expense related to stock options granted | $ 2.2us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions | $ 2.7us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions | |
| Effect on diluted per share on options, restricted stock units and warrants | 6,900,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 3,400,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | |
| Number Of Warrants Exercised | 0ogxi_NumberOfWarrantsExercised | 0ogxi_NumberOfWarrantsExercised | |
| Stock options [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Weighted-average period, restricted stock awards | 2 years 3 months 18 days | ||
| Restricted stock unit awards [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Weighted-average period, restricted stock awards | 2 years 7 months 6 days | ||
| Award vesting period | 4 years | ||
| Stock based compensation expense |
0.2us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
0.5us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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| Total unrecognized compensation expense related to the Company's restricted stock unit awards |
$ 2.7us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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- Definition
Number of warrants exercised. No definition available.
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. No definition available.
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- Definition
Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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