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Note 11 - Segment, Customer Concentration and Geographical Information - Schedule of Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenues |  | $ 4,347 |  | $ 4,648 |  | $ 13,389 | $ 15,585
Adjusted cost of revenues¹ | [1] | 1,136 |  | 1,318 |  | 3,565 | 4,889
Adjusted selling and marketing² |  | 1,268 |  | 1,725 |  | 4,079 | 6,060
Adjusted research and development² | [2] | 2,449 |  | 3,086 |  | 7,640 | 10,180
Adjusted general and administrative² | [2] | 1,988 |  | 2,004 |  | 6,035 | 6,197
Adjusted operating loss |  | (2,494) |  | (3,485) |  | (7,930) | (11,741)
Other segment expenses³ | [3] | 0 |  | (348) |  | (79) | (798)
Stock-based compensation expense |  | (644) |  | (1,249) |  | (2,828) | (3,520)
Depreciation |  | (71) |  | (91) |  | (217) | (285)
Amortization |  | (1,276) |  | (1,334) |  | (3,828) | (4,601)
Goodwill impairment |  | 0 | $ (11,100) | 0 | $ (24,000) | (11,052) | (23,989)
Proceeds from sale of ViewSpot, net |  | (0) |  | (0) |  | 1,287 | (0)
Total other (expenses) income, net |  | (50) |  | 138 |  | (126) | 667
Loss before provision for income taxes |  | (4,535) |  | (6,369) |  | (24,773) | (44,267)
Provision for income tax expense |  | 0 |  | 0 |  | 1 | 39
Net loss |  | (4,535) |  | (6,369) |  | (24,774) | (44,306)
Deemed dividend |  | (635) |  | 0 |  | (635) | 0
Net loss attributable to common stockholders |  | $ (5,170) |  | $ (6,369) |  | $ (25,409) | $ (44,306)
[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.

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