General form of registration statement for all companies including face-amount certificate companies

Basis of Presentation and Accounting Policies (Detail)

v2.4.1.9
Basis of Presentation and Accounting Policies (Detail)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Segment
Reporting_Unit
Dec. 31, 2013
Segment
Disclosure Basis Of Presentation [Abstract]    
Number of operating segments 1us-gaap_NumberOfOperatingSegments 1us-gaap_NumberOfOperatingSegments
Number of reporting units 1us-gaap_NumberOfReportingUnits  
Milestone agreement, description This evaluation includes an assessment of whether (a) the consideration is commensurate with either (1) the entity's performance to achieve the milestone, or (2) the enhancement of the value of the delivered item(s) as a result of a specific outcome resulting from the entity's performance to achieve the milestone, (b) the consideration relates solely to past performance and (c) the consideration is reasonable relative to all of the deliverables and payment terms within the arrangement.  
Milestones arrangement, categories description Pieris AG aggregates milestones into three categories (i) research milestones, (ii) development milestones and (iii) commercial milestones. Research milestones are typically achieved upon reaching certain success criteria as defined in each agreement related to developing an Anticalin protein against the specified target. Pieris AG aggregates milestones into three categories (i) research milestones, (ii) development milestones and (iii) commercial milestones.