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Note 4 - Deposits, Prepayments and Other Current Assets | 12 Months Ended
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Jun. 30, 2025
Notes to Financial Statements |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Text Block] |
4. | Deposits, Prepayments and Other Current Assets
|  | As of June 30, |
|  | 2024 |  |  | 2025 |
|  | US$ |  |  | US$ |
Deposits, Prepayments and Other Current Assets |  |  | 320 |  |  |  | 143 |

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- Definition The disclosure of deferred costs, capitalized, prepaid, and other assets. + References No definition available. + Details
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Namespace Prefix: | stec_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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