DEBT (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Apr. 30, 2017
Debt Instrument [Line Items]
Short-term Debt	$ 1,374,000	$ 5,648,000
Line of Credit Facility, Average Outstanding Amount	4,042,000	4,253,000
Short-term Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 11,971,000	$ 9,200,000
Short-term Debt [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%	0.50%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 16,000,000
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases			2,000,000
Capex Borrowing [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,600,000