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LONG-TERM DEBT (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 08, 2018
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Jul. 31, 2023
Dec. 31, 2022
Jul. 31, 2022
Debt Instrument [Line Items]                
Current maturities of long-term debt, less debt issuance costs   $ 334,000   $ 334,000     $ 255,000  
Connecticut Department of Economic and Community Development (DECD)                
Debt Instrument [Line Items]                
Debt instrument, term 10 years              
Debt instrument, maturity date Dec. 31, 2027     May 31, 2028        
Interest rate (as a percent) 3.25%              
Financed Insurance Loan [Member]                
Debt Instrument [Line Items]                
Current maturities of long-term debt, less debt issuance costs   300,000   $ 300,000     $ 200,000  
Interest rate (as a percent)           9.99%   5.99%
Debt instrument, face amount           $ 400,000   $ 400,000
Term loan | Connecticut Department of Economic and Community Development (DECD)                
Debt Instrument [Line Items]                
Proceeds from long-term debt $ 300,000              
Amortization of debt issuance cost       $ 2,000 $ 3,000      
Term loan | Connecticut Department of Economic and Community Development (DECD) | Maximum [Member]                
Debt Instrument [Line Items]                
Amortization of debt issuance cost   $ 1,000 $ 1,000