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LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Total long-term debt | $ 269 | $ 389
Current portion of long-term debt | (142) | (255)
Long-term debt, net of current maturities | 127 | 134
Connecticut Department of Economic and Community Development (DECD) |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 169 | 176
Debt issuance cost | (15) | (15)
Financed Insurance Loan [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 115 | 228
Current portion of long-term debt | $ (100) | $ (200)

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