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Revenues | 12 Months Ended
--- | ---
Dec. 31, 2022
Revenue from Contract with Customer [Abstract] |
Revenues |
15. | Revenues
The following table presents the disaggregation of revenue from contracts with the customers:
|  | For the year ended December 31, |
|  | 2020 |  |  | 2021 |  |  | 2022 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Revenues - Products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Air mobility solutions |  |  | 105,351 |  |  |  | 46,854 |  |  |  | 38,061 |  |  |  | 5,519 |
Smart city management solutions |  |  | 8,282 |  |  |  | 7,135 |  |  |  | 2,133 |  |  |  | 309 |
Aerial media solutions |  |  | 62,241 |  |  |  | 518 |  |  |  | 125 |  |  |  | 18 |
Others |  |  | 186 |  |  |  | 416 |  |  |  | 456 |  |  |  | 66 |
Subtotal-Products |  |  | 176,060 |  |  |  | 54,923 |  |  |  | 40,775 |  |  |  | 5,912 |
Revenues - Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Air mobility solutions |  |  | 618 |  |  |  | 1,302 |  |  |  | 2,326 |  |  |  | 337 |
Aerial media solutions |  |  | 3,415 |  |  |  | 582 |  |  |  | 1,216 |  |  |  | 176 |
Subtotal-Services |  |  | 4,033 |  |  |  | 1,884 |  |  |  | 3,542 |  |  |  | 513 |
Total Revenues |  |  | 180,093 |  |  |  | 56,807 |  |  |  | 44,317 |  |  |  | 6,425 |
Payment terms For the Group’s Air mobility solutions and Aerial media solutions, the Group typically requires a portion of payments upfront and the remaining amounts are contractually due ranging from three to six months. Due to the COVID-19 impacts, the Group signed subsequent commitment letters with certain customers and extended the payment terms in 2021 and 2022. However, the Company has collected or is in the process of collecting accounts receivable after the due dates agreed in commitment letters. In light of the impacts from the continuous COVID-19 epidemic and control measures in China, the Group recognized additional provision for accounts receivable for the year ended December 31, 2021 and 2022 (Note 5). Regarding the Smart city management solutions, the timing of billing varies depending on contractual payment schedules with milestone billings and the completion of the quality-assurance warranty period. In instances where the timing of revenue recognition differs from the timing of invoicing, the Group has determined that its contracts do not include a significant financing component at the inception of the contracts. Contract balances Contract balances include Accounts receivable, Unbilled revenue and Cost and estimated earnings in excess of billings. Accounts receivable represents the billed and unbilled amounts related to the Company’s rights to consideration as performance obligations are satisfied and the rights to payment become unconditional but for the passage of time. In 2021 and 2022, the decrease in Accounts receivable was mainly due to impairment of balances amounted to RMB59,347 and RMB46,045 (US$6,676 ) provided in the general and administrative expenses in the Group’s consolidated statements of comprehensive loss. The Unbilled revenue was previously recognized from services provided in Aerial media solution. In 2021, the Unbilled revenue was collected, corresponding impairment of balances amounted to RMB2,800 was reversed. In 2022, the increase in Unbilled revenue was primarily due to sales of certain passenger-grade AAVs but unbilled. The receipt of the consideration is subject to conditions other than the passage of time, which is included in Prepayments and Other Current Assets (Note 7). The decrease in Cost and estimated earnings in excess of billings in accordance with the achievement of milestones in the pre-determined billing terms for command-and-control centers, corresponding RMB717 was reclassified from Cost and estimated earnings in excess of billings to Accounts receivable in 2021. Contract liabilities represent payments received from customers for which the corresponding products or services have not yet been transferred to customers. In 2022, the increase in Contract liabilities was primarily contributed by advance from customers of sales of passenger-grade AAVs. Revenue of RMB3,828 (US$555 ) was recognized during the year ended December 31, 2022 from the balance included in the contract liabilities on January 1, 2022.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI https://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 + Details
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