XML 43 R34.htm IDEA: XBRL DOCUMENT
v3.23.3

Commitments and Contingencies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract] |
Future minimum annual lease payments | Future minimum annual lease payments for all operating leases of the Company are as follows as of September 30, 2023 (in thousands):
Remainder of 2023 |  | $ | 1,348 |
2024 |  |  | 5,455 |
2025 |  |  | 5,209 |
2026 |  |  | 5,152 |
2027 |  |  | 5,144 |
Thereafter |  |  | 13,080 |
Total undiscounted lease payments |  |  | 35,388 |
Less: imputed interest |  |  | (5,802 | )
Operating lease liabilities |  |  | 29,586 |
Less: current portion of operating lease liabilities |  |  | (5,090 | )
Operating lease liabilities, less current portion |  | $ | 24,496 |
Summary of Weighted-Average Remaining Lease Term and Discount Rate | The Company’s weighted average remaining lease term and weighted average discount rate as of September 30, 2023 and December 31, 2022 are as follows:
|  | September 30, 2023 |  |  | December 31, 2022 |
Weighted-average remaining lease term (years) |  |  | 6.8 |  |  |  | 7.7 |
Weighted-average discount rate |  |  | 5.5 | % |  |  | 5.5 | %
Summary of Operating Leases | Information related to the Company’s operating leases is as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Rent expense |  | $ | 1,597 |  |  | $ | 1,210 |  |  | $ | 4,156 |  |  | $ | 3,457 |
Cash paid for amounts included in measurement of lease liabilities |  | $ | 1,317 |  |  | $ | 1,032 |  |  | $ | 3,767 |  |  | $ | 3,183 |

X
- Definition Lessee, summary of operating leases. + References No definition available. + Details
Name: | atec_LesseeSummaryOfOperatingLeasesTableTextBlock
Namespace Prefix: | atec_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, summary of weighted-average remaining lease term and discount rate. + References No definition available. + Details
Name: | atec_LesseeSummaryOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock
Namespace Prefix: | atec_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration