GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in the carrying amount of other intangibles (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
GOODWILL AND OTHER INTANGIBLE ASSETS
Beginning Balance, Cost	$ 12,466,000
Amortization, Cost	0
Impairment , Cost	(1,633,000)
Currency translation adjustment, Cost	7,000
Ending Balance, Cost	10,840,000	$ 12,466,000
Beginning Balance, Accumulated Amortization	4,207,000
Amortization, Accumulated Amortization	702,000	703,000
Impairment , Accumulated Amortization	(305,000)
Currency translation adjustment, Accumulated Amortization	10,000
Ending Balance, Accumulated Amortization	4,614,000	4,207,000
Beginning Balance, Net Book Value	8,259,000
Amortization, Net Book Value	(702,000)
Impairment , Net book value	(1,328,000)
Currency translation adjustment, Net Book Value	(3,000)
Ending Balance, Net Book Value	$ 6,226,000	$ 8,259,000