INCOME TAXES (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
INCOME TAXES [Abstract]
Deferred tax assets, valuation allowance	$ 1,400,000
Effective income taxes	24.80%	26.60%	28.80%
Tax credits	$ 667,000	$ 306,000	$ 217,000