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Note 4 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total sales	$ 9,944	$ 10,757
Hardware [Member]
Total sales	4,322	6,459
Installation Services [Member]
Total sales	947	1,339
Software Development Services [Member]
Total sales	531	191
Managed Services [Member]
Total sales	4,072	2,703
Media [Member]
Total sales	72	65
Service [Member]
Total sales	$ 5,622	$ 4,298

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
-Topic 924
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 280
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Details

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