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Note 3 - Revenues - Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred revenue	$ 3,806	$ 4,508	$ 3,370
Deferred revenue	(702)	1,138
Service [Member]
Deferred revenue	2,366	2,849	1,530
Deferred revenue	(483)	1,319
Customer Advances [Member]
Deferred revenue	1,440	1,659	$ 1,840
Deferred revenue	$ (219)	$ (181)

X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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