Note 12 - Revenues - Total Revenues (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue from Contract with Customer, Including Assessed Tax	$ 8,562	$ 7,075	$ 11,690	$ 13,399
Discounts and allowances	0	(8)		(46)
Product [Member]
Revenue from Contract with Customer, Including Assessed Tax	7,505	6,784	10,388	12,754
Maintenance [Member]
Revenue from Contract with Customer, Including Assessed Tax	82	71	161	138
Professional Services [Member]
Revenue from Contract with Customer, Including Assessed Tax	752	78	841	147
Shipping and Handling [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 223	$ 150	$ 300	$ 406

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details