Note 9 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

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

	For the Years Ended December 31,
	2025			2024			% Change
Revenue
Digital Assets	$	186		$	—			100	%
Managed Services		1,957			2,062			(5	)%
Collaboration Products		294			316			(7	)%
Consolidated	$	2,437		$	2,378			2	%
Cost of revenues
Digital Assets	$	24		$	—			100	%
Managed Services		1,384			1,337			4	%
Collaboration Products		15			710			(98	)%
Consolidated	$	1,423		$	2,047			(30	)%
Gross Margin
Digital Assets	$	162		$	—			100	%
Managed Services		573			725			(21	)%
Collaboration Products		279			(394	)		(171	)%
Consolidated	$	1,014		$	331			206	%
Operating expenses
Digital Assets (1)	$	209		$	—			100	%
Managed Services (2)		—			—			0	%
Collaboration Products (3)		11			341			(97	)%
Corporate (4)		3,756			4,192			(10	)%
Consolidated	$	3,976		$	4,533			(12	)%
Other income (expense), net
Digital Assets (5)	$	(3,519	)	$	—			(100	)%
Managed Services (6)		—			(1	)		(100	)%
Collaboration Products (6)		—			16			100	%
Corporate (7)		128			154			(17	)%
Consolidated	$	(3,391	)	$	169			(2107	)%
Net loss before taxes	$	(6,353	)	$	(4,033	)		58	%
Income tax expense	$	2		$	10			(80	)%
Net loss	$	(6,355	)	$	(4,043	)		57	%
	As of December 31,
Total assets	2025			2024			% Change
Digital Assets (8)	$	5,562		$	—			100	%
Managed Services (9)		401			422			(5	)%
Collaboration Products (10)		258			285			(9	)%
Corporate (11)		1,998			4,568			(56	)%
Consolidated	$	8,219		$	5,275			56	%

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31, 2025
	Digital Assets			Managed Services			Collaboration Products			Total
Revenue
Digital Assets	$	186		$	—		$	—		$	186
Network Services		—			1,898			—			1,898
Video Collaboration		—			44			294			338
Professional and other services		—			15			—			15
Total revenue		186			1,957			294			2,437
Significant Segment Expenses
Labor and labor-related (1)		—			261			19			280
Property and office expense		—			—			21			21
Cash digital asset transaction fees		16			—			—			16
Non-cash digital asset transaction fees		8			—			—			8
Stock-based expense		169			—			—			169
Circuit and network cost of revenue		—			1,123			—			1,123
Advisory fees		40			—			—			40
Unrealized loss on digital asset revaluation		3,519			—			—			3,519
Bad debt recovery		—			—			(18	)		(18	)
Other segment items (2)		—			—			4			4
Segment profit (loss)	$	(3,566	)	$	573		$	268		$	(2,725	)
Segment margin		(1917	)%		29	%		91	%
Unallocated expenses (income)
Corporate expenses (3)										$	3,756
Interest income											(128	)
Loss before income tax expense										$	(6,353	)

	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			550			682
Severance		—			46			46
Circuit and network cost of revenue		1,202			—			1,202
Inventory and inventory-related		—			273			273
Other non-inventory cost of revenue		4			19			23
Research and development		—			145			145
Bad debt expense		—			2			2
Segment profit (loss)	$	724		$	(719	)	$	5
Segment margin		35	%		(228	)%
Unallocated expenses (income) (3)
Corporate expenses							$	4,067
Stock compensation								62
Severance								60
Interest income								(151	)
Loss before income tax expense							$	(4,033	)

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

	Year Ended December 31,
	2025		2024
Domestic	$	1,142	$	913
Foreign		1,295		1,465
	$	2,437	$	2,378

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

		Year Ended December 31, 2025
		2025			2024
	Segment	% of Revenue			% of Revenue
Customer A	Managed Services		79.0	%		84.9	%

		As of December 31,
		2025			2024
	Segment	% of Accounts Receivable			% of Accounts Receivable
Customer A	Managed Services		97.3	%		82.6	%