Related Parties	12 Months Ended
Dec. 31, 2016
Related Parties [Abstract]
Related Parties	14. Related Parties Randal J. Kirk, the father of Julian P. Kirk, a former member of our board of directors, directly and through certain affiliates, has voting and dispositive power over a majority of the outstanding capital stock of Intrexon. Randal J. Kirk was also deemed a holder of more than five percent of the shares of our common stock, as described in the section entitled “Security Ownership of Certain Beneficial Owners and Management” in our definitive proxy statement for the 2015 annual meeting of stockholders. In March 2013, the Company entered into an Exclusive Channel Collaboration Agreement with Intrexon Corporation. This agreement allowed the Company to utilize Intrexon’s synthetic biology platform for the identification, development and production of bacteriophage-containing human therapeutics. The Company paid a one-time technology access fee in 2013 to Intrexon of $3,000,000 in common stock. The Company was required to pay Intrexon, in cash or stock, milestone fees for the initiation and commencement of the first Phase 2 trial of $2,500,000 and $5,000,000 upon the first regulatory approval of any product in any major market country. With regard to each product sold by the Company, the Company agreed to pay, in cash, tiered royalties on a quarterly basis based on net sales of AmpliPhi Products, calculated on a product-by-product basis. No milestones have been met and no milestone payments have been paid to Intrexon through December 31, 2016. The Company paid $117,000 and $125,000 to Intrexon in 2016 and 2015, respectively, for technical services rendered under the agreement. There was no liability due to Intrexon as of December 31, 2016. The Exclusive Channel Collaboration Agreement with Intrexon was terminated in 2016. As of December 31, 2016, the Company had a liability of $10,000 payable to Biosciences Managers, where a member of our board of directors serves at the managing director, and such amount represented reimbursement of travel expenses.

Related Parties

12 Months Ended

Dec. 31, 2016

14. Related Parties

Randal J. Kirk, the father of Julian P. Kirk, a former member of our board of directors, directly and through certain affiliates, has voting and dispositive power over a majority of the outstanding capital stock of Intrexon. Randal J. Kirk was also deemed a holder of more than five percent of the shares of our common stock, as described in the section entitled “Security Ownership of Certain Beneficial Owners and Management” in our definitive proxy statement for the 2015 annual meeting of stockholders. In March 2013, the Company entered into an Exclusive Channel Collaboration Agreement with Intrexon Corporation. This agreement allowed the Company to utilize Intrexon’s synthetic biology platform for the identification, development and production of bacteriophage-containing human therapeutics. The Company paid a one-time technology access fee in 2013 to Intrexon of $3,000,000 in common stock. The Company was required to pay Intrexon, in cash or stock, milestone fees for the initiation and commencement of the first Phase 2 trial of $2,500,000 and $5,000,000 upon the first regulatory approval of any product in any major market country. With regard to each product sold by the Company, the Company agreed to pay, in cash, tiered royalties on a quarterly basis based on net sales of AmpliPhi Products, calculated on a product-by-product basis. No milestones have been met and no milestone payments have been paid to Intrexon through December 31, 2016. The Company paid $117,000 and $125,000 to Intrexon in 2016 and 2015, respectively, for technical services rendered under the agreement. There was no liability due to Intrexon as of December 31, 2016. The Exclusive Channel Collaboration Agreement with Intrexon was terminated in 2016.

As of December 31, 2016, the Company had a liability of $10,000 payable to Biosciences Managers, where a member of our board of directors serves at the managing director, and such amount represented reimbursement of travel expenses.