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Note 4 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total sales	$ 9,196	$ 10,923	$ 19,140	$ 21,680
Hardware [Member]
Total sales	3,437	5,667	7,759	12,126
Installation Services [Member]
Total sales	1,168	903	2,115	2,242
Software Development Services [Member]
Total sales	289	109	820	300
Managed Services [Member]
Total sales	3,835	3,832	7,907	6,535
Media [Member]
Total sales	467	412	539	477
Service [Member]
Total sales	$ 5,759	$ 5,256	$ 11,381	$ 9,554

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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