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Segment | 12 Months Ended
--- | ---
Dec. 31, 2023
Segment Reporting [Abstract] |
Segment |
22. | SEGMENT
The Group organized its operations into two segments: LiDAR segment and gas detection segment. The table below provides a summary of the Group’s operating segment results for the years ended December 31, 2021, 2022 and 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31,
​ |  | 2021 |  | 2022 |  | 2023
​ | ​ | RMB | ​ | RMB | ​ | RMB
LiDAR segment |  |  |  |  |  |
Revenue: |  | ​ |  | ​ |  | ​
Product revenues |  | 686,533 |  | 1,127,900 |  | 1,738,027
Service revenues | ​ | 14,702 | ​ | 50,803 | ​ | 112,099
Cost: | ​ | ​ | ​ | ​ | ​ | ​
Cost of products sold | ​ | 326,160 | ​ | 707,617 | ​ | 1,176,472
Cost of service revenues | ​ | 4,609 | ​ | 12,683 | ​ | 30,329
Segment profit | ​ | 370,466 | ​ | 458,403 | ​ | 643,325
​ |  | ​ |  | ​ |  | ​
Gas detection segment |  |  |  |  |  | ​
Gas detection product revenues |  | 19,533 |  | 23,967 |  | 26,863
Cost of products sold |  | 8,203 |  | 10,383 |  | 8,810
Segment profit |  | 11,330 |  | 13,584 |  | 18,053
​ | ​ | ​ | ​ | ​ | ​ | ​
Total segment profit |  | 381,796 |  | 471,987 |  | 661,378
​ On November 15, 2023, the Group disposed 100% equity interest of its subsidiary, Oxigraf, Inc. which consisted of the gas detection segment, and related US intellectual property right at a total consideration of US$3.7 million. The gain on disposal was US$0.9 million (equivalent to RMB6.1 million) and has been recognized in other operating income of the combined and consolidated statement of comprehensive income. This disposal did not meet the criteria to the presented as a discontinued operation. Upon this disposal, the Company will no longer report in the gas detection segment. ​ The following is a reconciliation of the reportable segments’ measures of profit or loss to the Group’s consolidated loss before income taxes: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31,
​ |  | 2021 |  | 2022 |  | 2023
​ | ​ | RMB | ​ | RMB | ​ | RMB
Total profit for reportable segments |  | 381,796 |  | 471,987 |  | 661,378
Unallocated amounts* |  |  |  |  |  | ​
Sales and marketing expenses |  | (69,266) |  | (104,835) |  | (148,798)
General and administrative expenses |  | (236,713) |  | (201,007) |  | (320,144)
Research and development expenses |  | (368,435) |  | (555,179) |  | (790,547)
Other operating income, net |  | 27,333 |  | 10,817 |  | 26,520
Interest income |  | 32,584 |  | 58,734 |  | 99,813
Interest expenses | ​ | — | ​ | — | ​ | (3,069)
Foreign exchange (loss) gains |  | (13,275) |  | 20,858 |  | (452)
Other (loss) income, net |  | 118 |  | (2,161) |  | 34
Loss before income tax |  | (245,858) |  | (300,786) |  | (475,265)
*The Group does not distinguish expenses between segments in its internal reporting, and reports expenses by nature as a whole.
22. | SEGMENT (continued)
The following table summarizes the Group’s long-term assets, including property and equipment, net, land-use rights, net, long-term investments, right-of-use assets, and other non-current assets by geographical region: ​
​ | ​ | ​ | ​ | ​
​ |  | As of December 31,
​ |  | 2022 |  | 2023
​ | ​ | RMB | ​ | RMB
Mainland China | ​ | 665,511 |  | 1,144,643
Thailand | ​ | — | ​ | 39,312
North America | ​ | 14,351 |  | 2,146
Switzerland | ​ | — | ​ | 103
Total long-term assets | ​ | 679,862 |  | 1,186,204
​

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//280/tableOfContent Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-26 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-34 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 + Details
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