INCOME TAXES (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014	Dec. 31, 2013
INCOME TAXES
Effective income tax rate (as a percent)	10.00%	29.00%	10.00%	23.00%	30.00%	28.00%
Reconciliation of federal income taxes and reported income taxes
Statutory federal tax provision	$ 129,000	$ 105,000	$ 259,000	$ 245,000
State income taxes	14,000	16,000	33,000	39,000
Income tax credits	(19,000)	(48,000)	(33,000)	(151,000)
Change in uncertain tax positions	1,000	11,000	(99,000)	33,000
Return to provision true-up	(84,000)		(84,000)
Other	(3,000)	3,000	(3,000)	(2,000)
Income tax expense (benefit)	38,000	87,000	73,000	164,000
Unrecognized tax benefits
Net uncertain tax benefit positions that would reduce effective income tax rate, if recognized	44,000		44,000
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Research and Development state income tax credits	$ 100,000