Pieris Pharmaceuticals, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Income Taxes - Additional Information (Details)

v3.25.1

Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Line Items]
Current income tax expense (benefit)	$ 0	$ 0
Valuation allowance	93,254,000	$ 16,014,000
Unrecognized tax benefits	0
Interest and penalty exposure	$ 0
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Income tax examination year	2019 2020 2021 2022 2023 2024
Operating loss carryforwards	$ 97,500,000
Domestic Tax Authority [Member] \| Orphan Drug Credits [Member]
Income Taxes [Line Items]
Tax credit carryforward, amount	$ 200,000
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Open Tax Year	2019 2020 2021 2022 2023 2024
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards	$ 97,800,000
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Tax loss carryforwards	$ 1,200,000
Percentage of taxable income and trade profit	60.00%
Foreign Tax Authority [Member] \| Corporate Income Tax [Member]
Income Taxes [Line Items]
Operating loss carryforwards	$ 210,300,000
Foreign Tax Authority [Member] \| Trade Tax [Member]
Income Taxes [Line Items]
Operating loss carryforwards	$ 205,900,000

- Definition

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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