SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Restructuring charges	$ 0	$ 1,280,000	$ 320,000	$ 4,098,000
Antidilutive weighted-average common stock equivalents	0	0	0	0