Pieris Pharmaceuticals, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Interim Consolidated Financial Statements (Policies)
Notes Tables
- Accrued expenses (Tables)
- Stock-based compensation (Tables)
Notes Details

Stock-Based Compensation - Additional Information (Detail)

v3.5.0.2

Stock-Based Compensation - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Stock Based Compensation [Line Items]
Stock based compensation expense		$ 446,113	$ 337,789	$ 1,426,341	$ 823,164
Common stock, par value		$ 0.001		$ 0.001		$ 0.001
Number of shares, Options exercised		0	0	0	0
Weighted average grant date fair value		$ 1.05	$ 1.95	$ 1.01	$ 1.94
Research and Development [Member]
Stock Based Compensation [Line Items]
Stock based compensation expense		$ 142,254	$ 88,176	$ 444,193	$ 217,766
Newly Hired Executive [Member]
Stock Based Compensation [Line Items]
Number of shares, Options granted			500,000
Newly Hired Executive [Member] \| Research and Development [Member]
Stock Based Compensation [Line Items]
Stock based compensation expense			$ 32,133		$ 32,133
2016 Stock Plan [Member]
Stock Based Compensation [Line Items]
Number of shares, Options granted			0		0
Stock options vesting period				4 years
Common stock available for grant		3,275,622		3,275,622
Maximum term of stock options				10 years
2016 Stock Plan [Member] \| Employees Consultants And Directors [Member]
Stock Based Compensation [Line Items]
Number of shares, Options granted		114,378		114,378
2014 Stock Plan [Member]
Stock Based Compensation [Line Items]
Number of shares, Options granted	450,000	0
Common stock, par value	$ 0.001		$ 0.001		$ 0.001
Number of shares, Forfeited		90,000
2014 Stock Plan [Member] \| Employees Consultants And Directors [Member]
Stock Based Compensation [Line Items]
Number of shares, Options granted			116,027	1,157,734	663,262

- Definition

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