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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
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9 Months Ended | 12 Months Ended | |
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Sep. 30, 2014
Segment
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Dec. 31, 2013
Segment
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Dec. 31, 2012
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| Summary Of Significant Accounting Policies [Line Items] | |||
| Restricted cash | $ 54,418us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue | $ 72,497us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue | $ 183,311us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue |
| Impairments loss | 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | |
| 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. | |
| Share-based compensation expenses | 0us-gaap_AllocatedShareBasedCompensationExpense | 0us-gaap_AllocatedShareBasedCompensationExpense | |
| Number of Operating segment | 1us-gaap_NumberOfOperatingSegments | 1us-gaap_NumberOfOperatingSegments | |
| Minimum | Exercisable, criteria one [Member] | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Percentage Sale of assets |
70.00%pirs_PercentageSaleOfAssets / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VestingAxis = pirs_OptionsExercisableOneMember |
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| Minimum | Exercisable, criteria two [Member] | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Percentage Sale of shares |
50.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VestingAxis = pirs_OptionsExercisableTwoMember |
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| Fair Value, Inputs, Level 1 [Member] | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Cash and Cash Equivalents, Fair Value |
$ 198,493us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
$ 3,307,520us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
$ 3,651,949us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
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- Definition
Percentage Sale of assets No definition available.
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- Details
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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
Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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- Definition
The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition
Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock. No definition available.
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- Details
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- Details
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