Note 9 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	For the Years Ended December 31,
	2024			2023			% Change
Revenue
Managed Services	$	2,062		$	2,518			(18	)%
Collaboration Products		316		$	1,292			(76	)%
Consolidated	$	2,378		$	3,810			(38	)%
Cost of revenues
Managed Services	$	1,337		$	1,671			(20	)%
Collaboration Products		710			1,228			(42	)%
Consolidated	$	2,047		$	2,899			(29	)%
Gross Margin
Managed Services		35	%		34	%		5	%
Collaboration Products		(125	)%		5	%		(2,617	)%
Consolidated		14	%		24	%		(42	)%
Operating expenses
Managed Services (1)		—			3			(100	)%
Collaboration Products (2)		341			486			(30	)%
Corporate (3)		4,192			4,917			(15	)%
Consolidated	$	4,533		$	5,406			(16	)%
Other income (expense), net (4)
Managed Services	$	(1	)	$	(10	)		90	%
Collaboration Products		16			(18	)		189	%
Corporate		154			166			(7	)%
Consolidated	$	169		$	138			22	%
Net loss before taxes	$	(4,033	)	$	(4,357	)		(7	)%
Income tax expense	$	10		$	27			(63	)%
Net loss	$	(4,043	)	$	(4,384	)		(8	)%
	As of December 31,
	2024			2023			% Change
Total assets
Managed Services	$	422		$	613			(31	)%
Collaboration Products		285			822			(65	)%
Corporate		4,568			5,490			(17	)%
Consolidated	$	5,275		$	6,925			(24	)%

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31, 2024
	Managed Services			Collaboration Products			Total
Revenue
Network services	$	1,990		$	—		$	1,990
Video Collaboration		56			316			372
Professional and other services		16			—			16
Total revenue		2,062			316			2,378
Significant Segment Expenses
Labor and labor-related (1)		132			596			728
Inventory and inventory-related		—			273			273
Circuit and network cost of revenue		1,202			—			1,202
Other non-inventory cost of revenue		4			19			23
Research and development		—			145			145
Bad debt expense		—			2			2
Other segment items (2)		—			—			—
Segment profit (loss)	$	724		$	(719	)	$	5
Segment margin		35	%		(228	)%
Unallocated expenses (income)
Corporate expenses (3)							$	4,127
Stock compensation								62
Interest income								(151	)
Loss before income tax expense							$	(4,033	)

	Year Ended December 31, 2023
	Managed Services			Collaboration Products			Total
Revenue
Network services	$	2,301		$	—		$	2,301
Video collaboration		183			1,291			1,474
Professional and other services		34			1			35
Total revenue		2,518			1,292			3,810
Significant Segment Expenses
Labor and labor-related (1)		125			863			988
Inventory and inventory-related		—			500			500
Circuit and network cost of revenue		1,529						1,529
Other non-inventory cost of revenue		14			164			178
Bad debt recovery		—			(52	)		(52	)
Amortization expense		—			345			345
Impairment charges		3			259			262
Casualty gain		—			(400	)		(400	)
Other segment items (2)		13			53			66
Segment profit (loss)	$	834		$	(440	)	$	394
Segment margin		33	%		(34	)%
Unallocated expenses (income) (3)
Corporate expenses							$	4,406
Stock compensation								504
Interest income								(159	)
Loss before income tax expense							$	(4,357	)

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Year Ended December 31,
	2024		2023
Domestic	$	913	$	1,843
Foreign		1,465		1,967
	$	2,378	$	3,810

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		Year Ended December 31, 2024
		2024			2023
	Segment	% of Revenue			% of Revenue
Customer A	Managed Services		84.9	%		55.9	%

		As of December 31,
		2024			2023
	Segment	% of Accounts Receivable			% of Accounts Receivable
Customer A	Managed Services		82.6	%		38.2	%
Customer B	Collaboration Products		0.0	%		46.8	%