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LEASES - Operating and Financing leases (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Balance sheet presentation of our operating and financing leases    
Operating lease right-of-use assets, net $ 722 $ 763
Finance lease right-of-use assets, net 214 257
Total lease assets 936 1,020
Current maturities of operating lease liabilities 225 199
Current maturities of finance lease liabilities 155 162
Operating lease liabilities, less current maturities 509 574
Finance lease liabilities, less current maturities 31 68
Total lease liabilities 920 1,003
HemeScreen Reagent Rental [Member]    
Balance sheet presentation of our operating and financing leases    
Finance lease right-of-use assets, net $ 5 $ 13