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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
PROPERTY, PLANT AND EQUIPMENT    
Total $ 35,709 $ 29,757
Less accumulated depreciation (8,193) (7,141)
Total property, plant and equipment 27,516 22,616
Depreciation expense 1,145 1,013
Cost of product sales    
PROPERTY, PLANT AND EQUIPMENT    
Depreciation expense 450 409
Land    
PROPERTY, PLANT AND EQUIPMENT    
Total 14,949 12,968
Buildings and leasehold improvements    
PROPERTY, PLANT AND EQUIPMENT    
Total 13,722 10,700
Vehicles    
PROPERTY, PLANT AND EQUIPMENT    
Total 1,682 1,664
Machinery and equipment    
PROPERTY, PLANT AND EQUIPMENT    
Total 5,058 4,127
Furniture and fixtures    
PROPERTY, PLANT AND EQUIPMENT    
Total $ 298 $ 298