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Contract Liabilities | 9 Months Ended
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Sep. 30, 2022
Contract with Customer, Liability [Abstract] |
Contract Liabilities | 8. Contract Liabilities Contract liabilities consists of the following (in thousands):
|  | September 30, 2022 |  |  | December 31, 2021 |
Contract liabilities |  | $ | 15,068 |  |  | $ | 18,151 |
Less: Non-current portion of contract liabilities |  |  | (2,775 | ) |  |  | (2,896 | )
Current portion of contract liabilities |  | $ | 12,293 |  |  | $ | 15,255 |
The non-current contract liabilities balance is included in other long-term liabilities on the condensed consolidated balance sheets. Contract liabilities relates to contracts with customers for which partial or complete payment of the transaction price has been received from the customer and the related obligations must be completed before revenue can be recognized. These amounts primarily relate to undelivered equipment, services, or maintenance agreements. The Company recognized $6.4 million and $16.5 million of revenue from its contract liabilities during the three and nine months ended September 30, 2022, respectively, and $4.8 million and $8.2 million of revenue from its contract liabilities during the three and nine months ended September 30, 2021, respectively. The opening and closing balances of the Company’s contract liabilities are as follows (in thousands):
Balance at December 31, 2021 |  | $ | 18,151 |
Payments received |  |  | 13,410 |
Revenue recognized |  |  | (16,493 | )
Balance at September 30, 2022 |  | $ | 15,068 |

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- Definition Contract with customer liability. + References No definition available. + Details
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Namespace Prefix: | atec_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ContractWithCustomerLiabilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration