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SEGMENTED INFORMATION (Schedule of disaggregation of property, plant and equipment and other long-lived assets by geographic area) (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Property, Plant And Equipment $ 786 $ 847 $ 1,218
Other Long-lived Assets   1,415 48,614
Total Assets $ 24,274 23,626 80,987
United States [Member]      
Segment Reporting Information [Line Items]      
Property, Plant And Equipment   354 759
Other Long-lived Assets   1,140 33,332
Total Assets   11,094 45,341
Germany [Member]      
Segment Reporting Information [Line Items]      
Property, Plant And Equipment   493 459
Other Long-lived Assets   0 9,969
Total Assets   9,096 19,382
Colombia [Member]      
Segment Reporting Information [Line Items]      
Other Long-lived Assets   0 4,392
Total Assets   0 8,122
United Kingdom [Member]      
Segment Reporting Information [Line Items]      
Other Long-lived Assets   89 191
Total Assets   514 559
Canada [Member]      
Segment Reporting Information [Line Items]      
Other Long-lived Assets   186 730
Total Assets   $ 2,922 $ 7,583