Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details)

v2.4.1.9
Employee Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract]      
Employees contribution 50.00%opk_DefinedContributionPlanEmployeeContributionPercentMaximum    
Company's matching discretion on employee contributions to the Plan 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent    
Participant's earnings contributed to the Plan 4.00%opk_DefinedContributionPlanEmployeeCompensationPercent    
Company's matching discretion on employee contributions to the Plan $ 0.6us-gaap_DefinedContributionPlanCostRecognized $ 0.5us-gaap_DefinedContributionPlanCostRecognized $ 0.3us-gaap_DefinedContributionPlanCostRecognized