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

Quarterly report pursuant to Section 13 or 15(d)

5. Stockholders' Deficit (Details 1)

5. Stockholders' Deficit (Details 1) (USD $)	3 Months Ended	12 Months Ended
5. Stockholders' Deficit (Details 1) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Balance outstanding, Begining Balance	22,588,451pbio_BeginingBalanceShares	16,784,035pbio_BeginingBalanceShares
Balance outstanding, Begining Balance, Exercisable	20,858,111	16,611,528
Granted		10,578,500pbio_Granted
Exercised		(4,208,658)pbio_Exercised
Expired		(534,468)pbio_Expired
Forfeited		(30,958)pbio_Forfeited
Balance outstanding, Ending Balance	22,588,451pbio_BalanceOutstandingdecember312012	22,588,451pbio_BalanceOutstandingdecember312012
Balance outstanding,Ending Balance for Exercisable	21,315,198	20,858,111
Stock Options
Balance outstanding, Begining Balance	3,406,250	1,771,708
Granted		1,675,500
Exercised
Expired		(10,000)
Forfeited		(30,958)
Balance outstanding, Ending Balance	3,406,250	3,406,250
Weighted Average price per share, Beginning Balance	0.51	0.71
Weighted Average price per share, Granted		0.30
Weighted Average price per share, Exercised
Weighted Average price per share, Expired		1.00
Weighted Average price per share, Forfeited		0.71
Weighted Average price per share, Ending Balance	0.51	0.51
WarrantMember
Balance outstanding, Begining Balance	19,182,201	15,012,327
Granted		8,903,000
Exercised		(4,208,658)
Expired		(524,468)
Forfeited
Balance outstanding, Ending Balance	19,182,201	19,182,201
Weighted Average price per share, Beginning Balance	0.49	0.57
Weighted Average price per share, Granted		0.38
Weighted Average price per share, Exercised		0.25
Weighted Average price per share, Expired		0.74
Weighted Average price per share, Forfeited
Weighted Average price per share, Ending Balance	0.49	0.49