Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2012

6. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following as of December 31, 2012 and 2011:


	2012		2011
Accounts payable trade	$	440,376	$	631,274
Intrexon Collaboration Agreement		269,994		—
Legal fees		163,987		376,167
Vacation		54,047		85,655
Deferred compensation		25,500		25,500
Royalties payable		—		25,000
Interest		—		356,689
Consulting fees		7,750		35,858
Sales return allowance		185,618		197,923
Other		10,248		6,150


Total accounts payable and accrued expenses	$	1,157,520	$	1,740,216