STOCK OPTIONS (Details) (USD $)	3 Months Ended		3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Stock Options and Restricted Stock	Mar. 31, 2013 Stock Options and Restricted Stock	Mar. 31, 2014 2007 Plan	Mar. 31, 2014 2010 Plan
Stock option
Options available to purchase/Common Stock outstanding	10,431,747	8,055,522			2,194,607	8,237,140
Shares available for future grants					0	2,491,382
Shares authorized for issuance						11,000,000
Exercisable period	6 years 25 days				10 years	10 years
Stock-based compensation expense, net of forfeitures			$ 835,000	$ 432,000
Expected term of options granted			10 years
Vesting period	5 years 29 days		48 months