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Note 9 - Property and Equipment - Property and Equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Cost $ 1,819 $ 1,814
Property and equipment, accumulated depreciation 1,115 1,041
Carrying Value 704 773
Leasehold Improvements [Member]    
Cost 485 485
Property and equipment, accumulated depreciation 228 206
Carrying Value 257 279
Furniture and Fixtures [Member]    
Cost 386 375
Property and equipment, accumulated depreciation 328 319
Carrying Value 58 56
Computer Equipment [Member]    
Cost 948 954
Property and equipment, accumulated depreciation 559 516
Carrying Value $ 389 $ 438