Note 11 - Segment, Customer Concentration and Geographical Information - Schedule of Expenses (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2026	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenues		$ 5,017	$ 4,347		$ 13,580	$ 13,389
Stock-based compensation expense		(118)	(644)		(875)	(2,828)
Goodwill impairment		0	0	$ (11,100)	0	(11,052)
Proceeds from sale of ViewSpot, net		(0)	(0)		(0)	1,287
Loss before provision for income taxes		(1,698)	(4,535)		(8,244)	(24,773)
Provision for income tax expense		0	0		0	1
Net loss		(1,698)	(4,535)		(8,244)	(24,774)
Deemed dividend		0	(635)		(86)	(635)
Net loss attributable to common stockholders		(1,698)	(5,170)		(8,330)	(25,409)
Single Reportable Segment [Member]
Revenues		5,017	4,347		13,580	13,389
Adjusted cost of revenues	[1]	921	1,136		2,644	3,565
Adjusted selling and marketing	[2]	1,012	1,268		3,352	4,079
Adjusted research and development	[2]	1,594	2,449		4,695	7,640
Adjusted general and administrative	[2]	1,637	1,988		5,266	6,035
Adjusted operating loss		(147)	(2,494)		(2,377)	(7,930)
Other segment expenses	[3]	0	0		(211)	(79)
Stock-based compensation expense		(118)	(644)		(875)	(2,828)
Depreciation		(20)	(71)		(209)	(217)
Amortization		(1,177)	(1,276)		(3,532)	(3,828)
Goodwill impairment		0	0		0	(11,052)
Proceeds from sale of ViewSpot, net		0	0		0	1,287
Total other expenses, net		(236)	(50)		(1,040)	(126)
Loss before provision for income taxes		(1,698)	(4,535)		(8,244)	(24,773)
Provision for income tax expense		0	0		0	1
Net loss		(1,698)	(4,535)		(8,244)	(24,774)
Deemed dividend		0	(635)		(86)	(635)
Net loss attributable to common stockholders		$ (1,698)	$ (5,170)		$ (8,330)	$ (25,409)

[1] Adjusted amounts exclude depreciation expense.

[2] Adjusted amounts exclude stock-based compensation expense and other adjustments as further described in footnote 3 to this table.

[3] Other segment expenses include personnel severance and reorganization activities and other corporate non-recurring expenditures.