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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventories [Abstract]    
Raw Materials $ 1,113 $ 1,129
Work In Process 297 257
Finished Goods 358 287
Reserve for Obsolescence (10) (10)
Total Inventories $ 1,758 $ 1,663