Note 2 - Revenues - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Rental revenues	$ 1,869	$ 1,987	$ 3,819	$ 4,005
Recoveries	271	298	477	605
Bad debt	(37)	(24)	(83)	(39)
Total rental	2,103	2,261	4,213	4,571
Transaction and other fees	9	17	14	33
Total revenues	$ 2,112	$ 2,278	$ 4,227	$ 4,604

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