v3.25.4

Other Loans (Details) | Sep. 30, 2025 HKD ($) | Sep. 30, 2025 USD ($) | Aug. 26, 2025 HKD ($) | Aug. 26, 2025 USD ($) | Jun. 30, 2025 HKD ($) | Jun. 30, 2025 USD ($) | Jun. 04, 2025 HKD ($) | Jun. 04, 2025 USD ($) | Apr. 30, 2025 HKD ($) | Apr. 30, 2025 USD ($) | Mar. 31, 2025 HKD ($) | Mar. 31, 2025 USD ($) | Mar. 07, 2025 HKD ($) | Mar. 07, 2025 USD ($) | Mar. 06, 2025 HKD ($) | Mar. 06, 2025 USD ($) | Jan. 27, 2025 HKD ($) | Jan. 27, 2025 USD ($) | Nov. 29, 2024 HKD ($) | Nov. 29, 2024 USD ($) | Nov. 06, 2024 HKD ($) | Nov. 06, 2024 USD ($) | Oct. 23, 2024 HKD ($) | Oct. 23, 2024 USD ($) | Oct. 16, 2024 HKD ($) | Oct. 16, 2024 USD ($) | Aug. 30, 2024 HKD ($) | Aug. 30, 2024 USD ($) | Jun. 06, 2024 HKD ($) | Jun. 06, 2024 USD ($)
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Loan 1 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 388,500 | $ 49,930
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00%
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 years | 9 years
Loan 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 280,560 | $ 36,058
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00%
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 years | 9 years
Loan 3 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 410,000 | $ 52,693 |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years | 6 years |  |
Loan 4 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000 | $ 38,556 |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |
Loan 5 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 145,000 | $ 18,635 |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year | 1 year |  |  |  |
Loan 6 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 433,000 | $ 55,649 |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18.00% | 18.00% |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year | 1 year |  |  |  |  |  |  |  |
Loan 7 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 504,000 | $ 64,774 |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |
Loan 8 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 288,000 | $ 37,014 |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |  |  |
Loan 9 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 294,000 | $ 37,785 |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |  |  |
Loan 10 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 504,000 | $ 64,774 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 11 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 534,200 | $ 68,655 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 12 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  | $ 510,000 | $ 65,545 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  |  |  | 16.00% | 16.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 13 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  | $ 155,200 | $ 19,946 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  | 8.00% | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  | 6 years | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 14 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  | $ 548,000 | $ 70,429 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  |  |  | 8.00% | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  |  |  | 6 years | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 15 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  | $ 475,000 | $ 61,047 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  |  |  | 8.00% | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  |  |  | 6 years | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 16 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  | $ 622,725 | $ 80,033 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  |  |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  |  |  | 2 years | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 17 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  | $ 400,000 | $ 51,408 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  | 12.00% | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  | 9 years | 9 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 18 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  | $ 486,000 | $ 62,461 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  | 12.00% | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  | 9 years | 9 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  | $ 912,000 | $ 117,210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest |  |  | 12.00% | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments |  |  | 9 years | 9 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan 20 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount | $ 534,600 | $ 68,707 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective rate interest | 12.00% | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equal monthly instalments | 9 years | 9 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Equal monthly instalments. + References No definition available. + Details
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Namespace Prefix: | atgl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of principal of debt issued. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 + Details
Name: | us-gaap_DebtInstrumentIssuedPrincipal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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