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Note 7 - Leases (Tables)

12 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Lease Information [Table Text Block]

		As of June 30,
		2024				2025
		US$				US$
Assets
Right-of-use asset, net			1,235				-
Liability
Lease liability, current			1,059				-
Lease liability, non-current			250				-

Lease, Cost [Table Text Block]

		For the year ended June 30
		2024				2025
		US$				US$
Operating lease expense
Amortization of right-of-use asset			963				495
Interest of lease liability			61				17
Total			1,024				512

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

		As of June 30,
		2024				2025
		US$				US$
Twelve months ending June 30,
2025			1,085				-
2026			250				-
Total lease payments			1,335				-
Less: imputed interest			26				-
Total			1,309				-

X

- Definition

Tabular disclosure of lease information.

+ References

No definition available.

+ Details

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Namespace Prefix:	stec_
Data Type:	dtr-types:textBlockItemType
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X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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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

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- References

No definition available.

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Data Type:	xbrli:stringItemType
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