INCOME TAXES (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Line Items]
Net operating loss carryforwards for state tax purposes	$ 28,038,000	$ 28,696,000
Operating loss carryforwards expiration beginning year, state	2025
Gross unrecognized tax benefits, total	$ 168,000	272,000	$ 332,000	$ 311,000
Unrecognized tax benefits effecting income tax rate, if recognized	109,000	177,000	216,000
Interest income expense, net recognized from interest and penalties	0	0	28,000
Material changes to unrecognized tax positions over the next 12 months	$ 0
Earliest Tax Year [Member] | Internal Revenue Service [Member]
Income Tax Disclosure [Line Items]
Years that remain open to examination (Date)	2013
Earliest Tax Year [Member] | State And Local Jurisdiction
Income Tax Disclosure [Line Items]
Years that remain open to examination (Date)	2013
Latest Tax Year [Member] | Internal Revenue Service [Member]
Income Tax Disclosure [Line Items]
Years that remain open to examination (Date)	2015
Latest Tax Year [Member] | State And Local Jurisdiction
Income Tax Disclosure [Line Items]
Years that remain open to examination (Date)	2015
Valuation Allowance Of Deferred Tax Assets [Member]
Income Tax Disclosure [Line Items]
Valuation allowance recorded	$ 0	$ 0	$ 800,000