Fair value of all liability derivatives designated as cash flow hedging instruments.

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Amount of investment in marketable security.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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NOTES PAYABLE AND LONG-TERM DEBT (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2010	May 26, 2010	Dec. 31, 2009	Mar. 19, 2009
Debt Instrument [Line Items]
Derivative, notional amount				$ 9,000,000		$ 3,000,000
Derivative, fixed interest rate				8.49%		7.02%
Cash flow hedge, derivative instrument liabilities at fair value	$ 65,000	$ 234,000
Unrealized gain on interest rate swap	134,000	295,000
Securities on deposit	294,000
Interest rate swap
Debt Instrument [Line Items]
Cash flow hedge, liability at fair value					$ 0
Cash flow hedging
Debt Instrument [Line Items]
Cash flow hedge, liability at fair value			$ 65,000
Collateral Pledged [Member]
Debt Instrument [Line Items]
Available-for-sale securities pledged as collateral	$ 294,000	$ 932,000