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Note 9 - Property and Equipment - Property and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Cost   $ 1,701 $ 1,814
Property and equipment, accumulated depreciation $ 1,062 1,062 1,041
Carrying Value $ 639 639 773
Leasehold Improvements [Member]      
Cost   418 485
Property and equipment, accumulated depreciation   205 206
Carrying Value   213 279
Furniture and Fixtures [Member]      
Cost   281 375
Property and equipment, accumulated depreciation   240 319
Carrying Value   41 56
Computer Equipment [Member]      
Cost   1,002 954
Property and equipment, accumulated depreciation   617 516
Carrying Value   $ 385 $ 438