Critical Accounting Policies - Additional Information (Detail) |
9 Months Ended |
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Sep. 30, 2017 | |
| Accounting Policies [Abstract] | |
| Milestones arrangement, categories description | Pieris aggregates milestones into four categories (i) research milestones, (ii) development milestones, (iii) commercial milestones, and (iv) sales milestones. |
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- References No definition available.
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- Definition A description of each milestone and related contingent consideration as well as a description of whether or not each milestone(s) is considered substantive. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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