STOCK-BASED COMPENSATION Deferred Compensation Arrangement (Details) (USD $)	9 Months Ended		12 Months Ended		3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			237 Months Ended	9 Months Ended	237 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013 Non Employee Members of Scientific Advisory Board [Member]	Dec. 31, 2012 Non Employee Members of Scientific Advisory Board [Member]	Sep. 30, 2014 Director [Member]	Sep. 30, 2013 Director [Member]	Sep. 30, 2014 Director [Member]	Sep. 30, 2013 Director [Member]	Sep. 30, 2014 Restricted Stock and Units [Member]	Sep. 30, 2013 Restricted Stock and Units [Member]	Sep. 30, 2014 Restricted Stock and Units [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2013 Restricted Stock and Units [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2014 Restricted Stock and Units [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2013 Restricted Stock and Units [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2014 Restricted Stock and Units [Member] Research and Development Expense [Member]	Sep. 30, 2013 Restricted Stock and Units [Member] Research and Development Expense [Member]	Sep. 30, 2014 Restricted Stock and Units [Member] Research and Development Expense [Member]	Sep. 30, 2013 Restricted Stock and Units [Member] Research and Development Expense [Member]	Sep. 30, 2014 Restricted Stock and Units [Member] Non Employee Members of Scientific Advisory Board [Member] Research and Development Expense [Member]	Sep. 30, 2013 Restricted Stock and Units [Member] Non Employee Members of Scientific Advisory Board [Member] Research and Development Expense [Member]	Sep. 30, 2014 Restricted Stock and Units [Member] Non Employee Members of Scientific Advisory Board [Member] Research and Development Expense [Member]	Sep. 30, 2013 Restricted Stock and Units [Member] Non Employee Members of Scientific Advisory Board [Member] Research and Development Expense [Member]	Sep. 30, 2014 Performance Shares [Member]	Sep. 30, 2014 Performance Shares [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2013 Performance Shares [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2014 Performance Shares [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2013 Performance Shares [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2014 Performance Shares [Member] Research and Development Expense [Member]	Sep. 30, 2013 Performance Shares [Member] Research and Development Expense [Member]	Sep. 30, 2014 Performance Shares [Member] Research and Development Expense [Member]	Sep. 30, 2013 Performance Shares [Member] Research and Development Expense [Member]	Sep. 30, 2014 Maximum [Member] Restricted Stock and Units [Member]	Sep. 30, 2014 Maximum [Member] Restricted Stock and Units [Member]	Sep. 30, 2014 Minimum [Member] Restricted Stock and Units [Member]	Sep. 30, 2014 Minimum [Member] Restricted Stock and Units [Member]
Deferred Compensation Arrangement with Employees and Non Employees, Share Based Payments [Line Items]
Restricted stock awards and units vesting terms																																3 years	6 years	2 years	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period									67,177														36,092
Compensation expense											$ 949,000	$ 959,000	$ 2,800,000	$ 2,900,000	$ 421,000	$ 409,000	$ 1,204,000	$ 1,200,000	$ 62,000	$ 78,000	$ 162,000	$ 207,000		$ 284,000	$ 139,000	$ 969,000	$ 314,000	$ 152,000	$ 42,000	$ 363,000	$ 95,000
Fair value of shares withheld for tax withholding obligations	2,600,000	3,000,000
Shares withheld for tax withholding obligations (in shares)									75,594	94,209
Vesting period							1 year
Fair value of shares issued			$ 323,000	$ 300,000	$ 204,000	$ 126,000	$ 567,000	$ 390,000
Deferred Compensation Arrangement with Individual, Shares Issued							17,500	15,000