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Revenue from Contracts with Customers (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Summary of Product and Service Revenue Disaggregated by Geographic Region | The following table summarizes the Company’s product and service revenue disaggregated by geographic region, which is determined based on customer location, for the three months ended March 31, 2024 and 2023:
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
United States |  | $ | 6,010 |  |  | $ | 4,264 |
South Korea |  |  | 278 |  |  |  | 9 |
Europe |  |  | 1,415 |  |  |  | 1,538 |
Asia (excluding South Korea) |  |  | 884 |  |  |  | 708 |
Other |  |  | 54 |  |  |  | 104 |
Total 1 |  | $ | 8,641 |  |  | $ | 6,623 |
1 The table above does not include lease revenue of $1,947 and $1,629 for the three months ended March 31, 2024 and 2023. Substantially all lease revenue originates from the United States. Refer to Note 6, Leases.
Summary of Information about Receivables and Contract Liabilities from Contracts with Customers | The following table provides information about receivables and contract liabilities from contracts with customers:
|  | Classification |  | As of March 31, 2024 |  |  | As of December 31, 2023 |
Accounts receivable, current |  | Accounts receivable, net |  | $ | 4,023 |  |  | $ | 4,001 |
Notes receivable, current |  | Notes receivable, net |  | $ | 329 |  |  | $ | 323 |
Notes receivable, long-term |  | Notes and other receivables, long-term, net |  | $ | 1,174 |  |  | $ | 1,279 |
Contract asset, current |  | Prepaid and other current assets |  | $ | 785 |  |  | $ | 982 |
Deferred revenue, current |  | Deferred revenue |  | $ | 1,582 |  |  | $ | 1,349 |
Deferred revenue, non-current |  | Other long-term liabilities |  | $ | 321 |  |  | $ | 350 |
Contract liability, long-term |  | Other long-term liabilities |  | $ | 214 |  |  | $ | 220 |
The following table provides information about contract assets from contracts with customers:
|  | Amount |
Contract assets as of December 31, 2023 |  | $ | 982 |
Contract assets recognized |  |  | 488 |
Payments received |  |  | (635 | )
Write-off due to contract modification |  |  | (50 | )
Contract assets as of March 31, 2024 |  | $ | 785 |
Contract assets as of December 31, 2022 |  | $ | 332 |
Contract assets recognized |  |  | 117 |
Payments received |  |  | (45 | )
Contract assets as of March 31, 2023 |  | $ | 404 |
The following table provides information about contract liabilities from contracts with customers:
|  | Amount |
Contract liabilities as of December 31, 2023 |  | $ | 1,919 |
Billings not yet recognized as revenue |  |  | 776 |
Beginning contract liabilities recognized as revenue |  |  | (578 | )
Contract liabilities as of March 31, 2024 |  | $ | 2,117 |
Contract liabilities as of December 31, 2022 |  | $ | 935 |
Billings not yet recognized as revenue |  |  | 823 |
Beginning contract liabilities recognized as revenue |  |  | (367 | )
Contract liabilities as of March 31, 2023 |  | $ | 1,391 |
Summary of Allowance for Accounts Receivable | The following table summarizes the activity in the allowance for accounts receivable:
|  | Amount |
Accounts receivable, allowance for credit losses as of December 31, 2023 |  | $ | 62 |
Change in provision for credit losses |  |  | (18 | )
Write-offs |  |  | — |
Accounts receivable, allowance for credit losses as of March 31, 2024 |  | $ | 44 |
Accounts receivable, allowance for credit losses as of December 31, 2022 |  | $ | 56 |
Change in provision for credit losses |  |  | (13 | )
Write-offs |  |  | — |
Accounts receivable, allowance for credit losses as of March 31, 2023 |  | $ | 43 |
Summary of Allowance for Notes Receivable | The following table summarizes the activity in the allowance for notes receivable:
|  | Amount |
Notes receivable, allowance for credit losses as of December 31, 2023 |  | $ | 33 |
Change in provision for credit losses |  |  | (2 | )
Write-offs |  |  | — |
Notes receivable, allowance for credit losses as of March 31, 2024 |  | $ | 31 |
Notes receivable, allowance for credit losses as of December 31, 2022 |  | $ | 13 |
Change in provision for credit losses |  |  | 7 |
Write-offs |  |  | — |
Notes receivable, allowance for credit losses as of March 31, 2023 |  | $ | 20 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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