LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total long-term debt	$ 232	$ 341
Current portion of long-term debt	(133)	(235)
Long-term debt, net of current maturities	99	106
Connecticut Department of Economic and Community Development (DECD) [Member]
Debt Instrument [Line Items]
Total long-term debt	139	146
Debt issuance cost	(12)	(12)
Financed Insurance Loan [Member]
Debt Instrument [Line Items]
Total long-term debt	105	207
Current portion of long-term debt	$ (100)	$ (200)