EQUITY PLANS AND SHARE-BASED COMPENSATION (Schedule of stock option activity) (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Stock Option Shares
Outstanding, beginning balance (in shares)	195	250
Granted (in shares)	0	0
Exercised (in shares)	0	0
Canceled (in shares)	(85)	(55)
Outstanding, ending balance (in shares)	110	195	250
Exercisable, ending balance (in shares)	105
Weighted Average Remaining Contractual Life in Years
Outstanding	5 years 2 months 4 days	7 years 3 months 25 days	8 years 3 months 11 days
Exercisable	5 years 1 month 18 days