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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
6 Months Ended
Jun. 30, 2026
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
2.
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
The condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”). These policies have been consistently applied to all the periods presented, unless otherwise stated. The accompanying condensed consolidated financial statements of the Company are unaudited. In the opinion of management, all adjustments necessary for a fair statement of results of operations, cash flows, and financial position have been made. The results of operations for the three and six months ended June 30, 2026 and 2025 are not necessarily indicative of results that may be expected for the full year or any other subsequent interim period.
 
Unless noted otherwise, all dollar amounts are in thousands of United States dollars (“U.S. dollars” or “$”). Some amounts may not reconcile due to rounding.
 
The Company is an emerging growth company (“EGC”), as defined in Section 2(a) of the Securities Act of 1933, as amended (the “Securities Act”), as modified by the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”), which permits the Company to utilize an extended transition period to comply with new or revised accounting standards applicable to public companies. The Company expects to cease qualifying as an EGC beginning with its Annual Report on Form 10-K for the year ending December 31, 2026. As a result, certain EGC accommodations will no longer be available.
 
The preparation of financial statements in conformity with U.S. GAAP requires management to make judgments, estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Management bases its judgments, estimates and assumptions on historical experience and on other various factors, including expectations of future events that management believes to be reasonable under the circumstances. Actual results could differ from those estimates due to risks and uncertainties.
 
The accounting policies adopted in the preparation of the condensed consolidated financial statements are consistent with those adopted and disclosed in the Group’s (defined below) financial statements for the year ended December 31, 2025, except for the adoption of certain accounting standards impacting disclosures only, as discussed below. These condensed consolidated financial statements do not include all information and footnote disclosures normally included in the annual consolidated financial statements. The financial information included herein should be read in conjunction with the consolidated financial statements and related notes for the year ended December 31, 2025 as included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 filed with the U.S. Securities and Exchange Commission (the “SEC”) on February 26, 2026 (the “Annual Report”).
 
(a)
Principles of consolidation
 
The condensed consolidated financial statements include the accounts of ATGC, its wholly-owned subsidiaries, entities for which the Company has a controlling financial interest. ATGC and its subsidiaries together are referred to in these financial statements as the “Group”.
 
Subsidiaries are all those entities over which the Group has control. Control is the power to govern the financial and operating policies of an entity. All subsidiaries of ATGC have a reporting year end of December 31. Intercompany transactions, balances and unrealized gains or losses on transactions between entities in the Group are eliminated.
(b)
Recently Adopted Accounting Standards
 
In December 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-09, Income Taxes (Topic 740) Improvements to Income Tax Disclosures. ASU 2023-09 intends to enhance income tax disclosures to address investor requests for more information about the tax risks and opportunities present in an entity’s worldwide operations and primarily requires further disaggregation of existing disclosures related to the effective tax rate reconciliation and income taxes paid. As an EGC, the Company elected to apply the extended transition period and will adopt ASU 2023‑09 for the year ending December 31, 2026. The ASU impacts disclosure only and did not have an impact on the Company’s condensed consolidated financial statements. The Company will apply the disclosure requirements prospectively beginning with the year ending December 31, 2026; however, for comparability, the Company expects to present comparative income tax disclosures for the year ended December 31, 2025 in its annual financial statements for the year ending December 31, 2026, as applicable.
 
(c)
New Accounting Standards Not Yet Adopted
 
The FASB has issued several new accounting pronouncements during the first six months of 2026. The Company has determined that there are no new accounting pronouncements issued but not yet adopted that would have a material impact on the Company's financial position, results of operations, or cash flows.
 
For further details on new accounting pronouncements issued in prior years but not yet adopted, refer to Note 2(y) in the consolidated financial statements for the year ended December 31, 2025 as included in the Annual Report.