ACQUISITION - 2019 (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Cash paid at closing		$ 0	$ 3,518,000
Business Combination Contingent Consideration Liability Settlement Amount	$ 12,000
Gain (Loss) on Settlement of Contingent Consideration		$ 52,000	0
Other Income [Member]
Business Acquisition [Line Items]
Gain (Loss) on Settlement of Contingent Consideration	$ 52,000
Gears Acquisition
Business Acquisition [Line Items]
Cash paid at closing			3,500,000
Fair value of contingent consideration			$ 64,000