Annual report pursuant to Section 13 and 15(d)

Accounts Payable and Accrued Expenses - Summary of Accounts Payable and Accrued Expenses (Detail)

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Accounts Payable and Accrued Expenses - Summary of Accounts Payable and Accrued Expenses (Detail) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Payables And Accruals [Abstract]    
Accounts payable trade $ 828,706 $ 618,360
Intrexon Collaboration Agreements 39,607 39,457
Professional fees 46,775 45,000
Vacation 123,268 106,722
Consulting fees 5,000 5,000
Other   3,505
Total accounts payable and accrued expenses $ 1,043,356 $ 818,044