Quarterly report pursuant to Section 13 or 15(d)

5. Stockholder's Deficit (Details Narrative)

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5. Stockholder's Deficit (Details Narrative) (USD $)
Mar. 31, 2015
Stockholders Deficit Details Narrative  
Options outstanding under 2005 Equity Incentive Plan 1,720,750pbio_OptionsOutstandingUnder2005EquityIncentivePlan
Options outstanding under the 1999 Non-qualified Stock Option Plan 10,000pbio_OptionsOutstandingUnder1999NonqualifiedStockOptionPlan
Estimated fair value of unvested stock options to be amortized, net $ 271,113pbio_EstimatedFairValueOfUnvestedStockOptionsToBeAmortized
Estimated fair value of unvested stock options to be amortized, 2015 128,429pbio_EstimatedFairValueOfUnvestedStockOptionsToBeAmortizedRemainderYear
Estimated fair value of unvested stock options to be amortized, 2016 83,440pbio_EstimatedFairValueOfUnvestedStockOptionsToBeAmortizedForYearTwo
Estimated fair value of unvested stock options to be amortized, 2017 $ 59,244pbio_EstimatedFairValueOfUnvestedStockOptionsToBeAmortizedForYearThree
Options granted under the 2013 Plan 1,625,500pbio_OptionsGrantedUnder2013Plan