Note 11 - Segment, Customer Concentration and Geographical Information - Schedule of Expenses (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Revenues		$ 4,221	$ 4,621
Adjusted cost of revenues	[1]	911	1,257
Adjusted selling and marketing	[2]	1,162	1,408
Adjusted research and development	[2]	1,768	2,642
Adjusted general and administrative	[2]	1,794	2,086
Adjusted operating loss		(1,414)	(2,772)
Other segment expenses	[3]	(127)	0
Stock-based compensation expense		(586)	(1,088)
Depreciation		(69)	(74)
Amortization		(1,177)	(1,276)
Total other (expenses) income, net		(524)	33
Loss before provision for income taxes		(3,897)	(5,177)
Provision for income tax expense		0	1
Net loss		$ (3,897)	$ (5,178)

[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.