Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) - Jun. 30, 2015
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Milestone
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UFRF License Agreements [Member]  
Commitment And Contingencies [Line Items]  
Company's obligation to pay from percentage of selling price of product 5.00%
Company's obligation to pay from all revenue received from sublicenses 22.00%
One-time commercialization fee monthly amount for calculation $ 5,000
Post-commercialization minimum royalty payments 50,000
One-time additional royalty payment would be due when total cumulative royalties paid to UFRF exceed amount $ 2,000,000
One-time additional payment to UFRF as a percentage of total royalties due to UFRF 10.00%
Minimum annual maintenance payment per license agreement $ 10,000
Aggregate minimum annual maintenance payment 20,000
Quarterly maintenance payment to UFRF under installment plan $ 5,000
Termination notice period 90 days
Texas A and M University License [Member]  
Commitment And Contingencies [Line Items]  
Company's obligation to pay from percentage of selling price of product 5.00%
Post-commercialization minimum royalty payments $ 100,000
Initial payment to Texas A&M 5,000
Minimum consideration for the continuation of the license agreement 15,000
Annual maintenance payment under licensing agreement with Texas A&M $ 100,000
Number of milestones achieved | Milestone 0
Maximum period to cure the breach 60 days
Texas A and M University License [Member] | Phase II Clinical Trial [Member  
Commitment And Contingencies [Line Items]  
Date of milestone achievement under licensing agreement with Texas A&M Jun. 01, 2019
Milestone payment under licensing agreement $ 100,000
Texas A and M University License [Member] | Phase III Clinical Trial [Member]  
Commitment And Contingencies [Line Items]  
Date of milestone achievement under licensing agreement with Texas A&M Jun. 01, 2022
Milestone payment under licensing agreement $ 150,000
Texas A and M University License [Member] | Phase I Clinical Trial [Member]  
Commitment And Contingencies [Line Items]  
Date of milestone achievement under licensing agreement with Texas A&M Jun. 01, 2015
Milestone payment under licensing agreement $ 50,000
Texas A and M University License [Member] | Sale Of Licensed Technology [Member]  
Commitment And Contingencies [Line Items]  
Date of milestone achievement under licensing agreement with Texas A&M Jun. 01, 2025
Milestone payment under licensing agreement $ 400,000
Texas A and M University License [Member] | Minimum [Member]  
Commitment And Contingencies [Line Items]  
Company's obligation to pay from percentage of selling price of product 2.00%
Lantibiotic ECC [Member]  
Commitment And Contingencies [Line Items]  
Company's obligation to pay from percentage of selling price of product 25.00%
Company's obligation to pay from all revenue received from sublicenses 50.00%
Termination notice period 90 days
Number of milestones achieved | Milestone 0
Number of shares issued | shares 4,392,425
Maximum percentage of primary investment securities to investment of shares issued 10.00%
Lantibiotic ECC [Member] | Investigational New Drug Application [Member]  
Commitment And Contingencies [Line Items]  
Percentage of number of shares of common stock equal to Base Shares 1.00%
Lantibiotic ECC [Member] | Phase II Clinical Trial [Member  
Commitment And Contingencies [Line Items]  
Percentage of number of shares of common stock equal to Base Shares 1.50%
Lantibiotic ECC [Member] | Phase III Clinical Trial [Member]  
Commitment And Contingencies [Line Items]  
Percentage of number of shares of common stock equal to Base Shares 2.00%
Lantibiotic ECC [Member] | New Drug Application or Biologics License Application [Member]  
Commitment And Contingencies [Line Items]  
Percentage of number of shares of common stock equal to Base Shares 2.50%
Lantibiotic ECC [Member] | First Regulatory Approval of Oragenics Product [Member]  
Commitment And Contingencies [Line Items]  
Percentage of number of shares of common stock equal to Base Shares 3.00%
Live Biotherapeutic Products ECC [Member]  
Commitment And Contingencies [Line Items]  
Company's obligation to pay from percentage of selling price of product 10.00%
Termination notice period 90 days
Number of milestones achieved | Milestone 0
Maximum period to cure the breach 60 days
Live Biotherapeutic Products ECC [Member] | Phase II Clinical Trial [Member  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 2,000,000
Milestone measurement period 30 days
Live Biotherapeutic Products ECC [Member] | Phase III Clinical Trial [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 5,000,000
Milestone measurement period 30 days
Live Biotherapeutic Products ECC [Member] | Sale Of Licensed Technology [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 10,000,000
Milestone measurement period 30 days
Oral Mucositis ECC [Member]  
Commitment And Contingencies [Line Items]  
Company's obligation to pay from percentage of selling price of product 12.00%
Company's obligation to pay from all revenue received from sublicenses 50.00%
Termination notice period 90 days
Number of milestones achieved | Milestone 0
Maximum period to cure the breach 60 days
Oral Mucositis ECC [Member] | Phase II Milestone Event [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 2,000,000
Milestone measurement period 30 days
Oral Mucositis ECC [Member] | Phase IIb/III Milestone Event [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 5,000,000
Milestone measurement period 30 days
Oral Mucositis ECC [Member] | Regulatory Approval Application Milestone Event [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 5,000,000
Milestone measurement period 30 days
Oral Mucositis ECC [Member] | Approval Milestone Event [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 10,000,000
Milestone measurement period 30 days
Oral Mucositis ECC [Member] | New Indication Milestone Event [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 5,000,000
Milestone measurement period 30 days
Oral Mucositis ECC [Member] | New Product Milestone Event [Member]  
Commitment And Contingencies [Line Items]  
Milestone payment under licensing agreement $ 5,000,000
Milestone measurement period 30 days