Note 4 - Segment Information - Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Revenue	$ 4,999	$ 3,870
UNITED STATES
Revenue	3,955	3,229
CANADA
Revenue	$ 1,044	$ 641

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details