INCOME TAXES AND TAX CREDIT TRANSACTIONS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Accruals for tax uncertainties	$ 0	$ 0
Deferred income tax expense (benefit)	100,000	300,000	$ (600,000)
Current income tax expense (benefit)	$ (100,000)	$ 100,000