Stock-Based Compensation (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Company's Stock Option activity
Outstanding, Shares	12,922,766	4,164,090
Outstanding, Weighted-Average Exercise Price	$ 0.08	$ 0.48
Outstanding, Weighted-Average Remaining Contractual Term	7 years 11 months 12 days		7 years 6 months 29 days
Options assumed through merger with SafeStitch	3,547,750
Options assumed through merger with SafeStitch, Weighted-Average Excise Price	$ 0.75
Granted, Shares	3,015,696	11,769,866
Granted, Weighted-Average Exercise Price	$ 0.44	$ 0.07
Options assumed through merger with SafeStitch, Weighted-Average Remaining Contractual Term	8 years 8 months 12 days
Cancelled, Shares	(30,643)	(2,962,834)
Cancelled, Weighted-Average Exercise Price	$ 0.08	$ 0.14
Exercised, Shares	(341,000)	(48,000)
Exercised, Weighted-Average Exercise Price	$ 0.16	$ 0.07
Outstanding, Shares	19,114,436	12,922,766	4,164,090
Outstanding, Weighted-Average Exercise Price	$ 0.26	$ 0.08	$ 0.48