Pressure BioSciences, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

3. Summary of Significant Accounting Policies - Cost of stock-based compensation (Details)

3. Summary of Significant Accounting Policies - Cost of stock-based compensation (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Stock-based compensation expense	$ 96,726	$ 32,520	$ 116,816	$ 113,689
Research and development
Stock-based compensation expense	21,633	11,609	27,759	36,951
Selling and marketing
Stock-based compensation expense	17,877	6,452	24,659	40,192
General and administrative
Stock-based compensation expense	$ 57,216	$ 14,459	$ 64,398	$ 36,546

- 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.

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