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LONG-TERM DEBT (Paycheck Protection Program.) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Apr. 23, 2020
Debt Instrument [Line Items]
Gain on forgiveness of Paycheck Protection Program loan	$ 794,000
Paycheck Protection Program
Debt Instrument [Line Items]
Debt instrument, face amount		$ 600,000
Payroll Cost		800,000
Long-term Debt		$ 200,000
Gain on forgiveness of Paycheck Protection Program loan	$ 800,000
Unsecured Debt [Member] | Paycheck Protection Program | Promissory notes
Debt Instrument [Line Items]
Debt instrument, face amount			$ 787,200

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Amount of expense for salary and wage arising from service rendered by nonofficer employee. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

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