COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended			3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Sep. 04, 2013	Mar. 31, 2014 Cambridge	Nov. 29, 2011 Cambridge sqft	Mar. 31, 2014 Standby letters of credit
Commitments
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				543,000
Commitments
Leasehold improvements	381,000
Total rent expense	287,000	298,000
Amount of settlement agreement			$ 286,000