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Segment Reporting (Tables) | 9 Months Ended
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Sep. 30, 2025
Segment Reporting |
Schedule of significant segment expenses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, | ​ | ​ | Nine Months Ended September 30,
​ |  | 2025 |  | 2024 |  | ​ | 2025 |  | 2024
Core revenue | ​ | $ | 6,406 | ​ | $ | 8,140 | ​ | ​ | $ | 22,848 | ​ | $ | 23,902
Non-core revenue | ​ |  | 423 | ​ |  | 24 | ​ | ​ |  | 2,878 | ​ |  | 6,032
Total revenue | ​ |  | 6,829 | ​ |  | 8,164 | ​ | ​ |  | 25,726 | ​ |  | 29,934
Cost of goods sold | ​ | ​ | 1,596 | ​ | ​ | 1,928 | ​ | ​ | ​ | 4,612 | ​ | ​ | 4,819
Gross profit | ​ | ​ | 5,233 | ​ | ​ | 6,236 | ​ | ​ | ​ | 21,114 | ​ | ​ | 25,115
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Expenses: | ​ |  |  | ​ |  |  | ​ | ​ |  |  | ​ |  |
Research and development | ​ | ​ | 5,671 | ​ | ​ | 4,549 | ​ | ​ | ​ | 16,612 | ​ | ​ | 15,238
Sales and marketing | ​ |  | 4,925 | ​ |  | 5,419 | ​ | ​ |  | 15,179 | ​ |  | 17,950
General and administrative | ​ |  | 5,788 | ​ |  | 5,930 | ​ | ​ |  | 18,302 | ​ |  | 17,151
Depreciation and amortization | ​ | ​ | 1,044 | ​ | ​ | 1,021 | ​ | ​ | ​ | 3,185 | ​ | ​ | 3,123
Stock-based compensation | ​ |  | 1,954 | ​ |  | 3,370 | ​ | ​ |  | 8,507 | ​ |  | 9,949
Total operating expenses | ​ | ​ | 19,382 | ​ | ​ | 20,289 | ​ | ​ | ​ | 61,785 | ​ | ​ | 63,411
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other income | ​ | ​ | 1,733 | ​ | ​ | 2,496 | ​ | ​ | ​ | 5,637 | ​ | ​ | 7,838
​ | ​ |  | ​ | ​ |  |  | ​ | ​ |  | ​ | ​ |  |
Net loss | ​ | $ | (12,416) | ​ | $ | (11,557) | ​ | ​ | $ | (35,034) | ​ | $ | (30,458)
Schedule of revenue by geographic location | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | ​ | Nine Months Ended September 30,
​ |  | 2025 |  | 2024 |  | ​ | 2025 |  | 2024
Revenue | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Inside the United States | ​ | $ | 3,836 | ​ | $ | 5,144 | ​ | ​ | $ | 17,184 | ​ | $ | 20,448
Outside the United States | ​ |  | 2,993 | ​ |  | 3,020 | ​ | ​ |  | 8,542 | ​ |  | 9,486
Total revenue | ​ | $ | 6,829 | ​ | $ | 8,164 | ​ | ​ | $ | 25,726 | ​ | $ | 29,934

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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