XML 164 R11.htm IDEA: XBRL DOCUMENT
v3.25.4

Deposits | 9 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Sep. 30, 2024
Deposits [Abstract] |  |
Deposits | Note 5 - Deposits
Deposit allocation |  | Nature |  | As of June 30, 2025 |  |  | As of September 30, 2024 |
|  |  |  | (unaudited) |  |  |  |
Public relations consulting services |  | Refundable |  |  | 28,486 |  |  |  | 29,112 |
Photocopiers rented for offices use |  | Refundable |  |  | 760 |  |  |  | 776 |
Total deposits |  |  |  | $ | 29,246 |  |  | $ | 29,888 |
| Note 5 - Deposits The deposits consist of non-refundable deposit for the land to be purchased at Kuantan Integrated Industrial Park and the professional fee related to it, refundable deposit for the rent of photocopiers and installation cost for the factory equipment in Shah Alam factory. See Note 12 for further discussion.
Deposit allocation |  | Nature |  | As of September 30, 2024 |  |  | As of September 30, 2023 |
Land to be purchased at Kuantan Integrated Industrial Park * |  | Non-refundable |  | $ | - |  |  | $ | 80,989 |
Professional service in building Kuantan factory * |  | Non-refundable |  |  | - |  |  |  | 46,462 |
Public Relations Consulting Services |  | Refundable |  |  | 29,112 |  |  |  | - |
Photocopiers rent for offices use |  | Refundable |  |  | 776 |  |  |  | 213 |
Total other receivables and other current assets, net |  |  |  | $ | 29,888 |  |  | $ | 127,664 |
* | Written off during the year due to the termination of Sale and Purchase of Land Agreement

X
- Definition The entire disclosure for deposit assets. + References No definition available. + Details
Name: | gti_DepositAssetDisclosuresTextBlock
Namespace Prefix: | gti_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

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