STOCK-BASED COMPENSATION, Employee Stock Purchase Plan (Details) (USD $)	9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Employee Stock Purchase Plan (ESPP) [Member]	Sep. 30, 2013 Employee Stock Purchase Plan (ESPP) [Member]	Jun. 25, 2009 Employee Stock Purchase Plan (ESPP) [Member]	Sep. 30, 2014 Employee Stock Purchase Plan (ESPP) [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2013 Employee Stock Purchase Plan (ESPP) [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2014 Employee Stock Purchase Plan (ESPP) [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2013 Employee Stock Purchase Plan (ESPP) [Member] Selling, General and Adminstrative Expense [Member]	Sep. 30, 2014 Employee Stock Purchase Plan (ESPP) [Member] Research and Development Expense [Member]	Sep. 30, 2013 Employee Stock Purchase Plan (ESPP) [Member] Research and Development Expense [Member]	Sep. 30, 2014 Employee Stock Purchase Plan (ESPP) [Member] Research and Development Expense [Member]	Sep. 30, 2013 Employee Stock Purchase Plan (ESPP) [Member] Research and Development Expense [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Reserved for issuance (in shares)				1,000,000
Purchase period (in months)		3 months
Percentage of market value (in hundredths)		85.00%
Maximum allocation of base compensation (in hundredths)		10.00%
Maximum shares per purchase date (in shares)		12,500
Maximum value per calendar year, per employee		$ 25,000
Common stock issued (in shares)		9,162	11,488
Proceeds from common stock issued	279,000	279,000	268,000
Charges to expense					$ 12,000	$ 12,000	$ 35,000	$ 27,000	$ 16,000	$ 17,000	$ 41,000	$ 59,000