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LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Total long-term debt $ 174 $ 186
Current portion of long-term debt (26) (26)
Long-term debt, net of current maturities 148 160
Department of Economic and Community Development (DECD)    
Debt Instrument [Line Items]    
Total long-term debt 191 205
Debt issuance cost $ (17) $ (19)