Commitments and Contingencies (Details Textual) (USD $)	1 Months Ended	3 Months Ended	12 Months Ended
	Jan. 31, 2012	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Cambridge [Member]	Nov. 29, 2011 Cambridge [Member] sqft	Dec. 31, 2012 Standby letters of credit [Member]
Commitments and Contingencies (Textual) [Abstract]
Lease Space for Laboratory and office space						26,150
Term of commercial lease					6 years 3 months
Lease extension option					5 years
Standby letter of credit							$ 311,000
Deferred rent liability					310,076
Commitments and Contingencies (Additional Textual) [Abstract]
Leasehold improvements			298,222
Total rent expense			758,000	357,000
Amount paid for pre-clinical study	150,000
Research and development pre clinical study initial payment		60,000	0
Cost of research and development		$ 60,000