Proceeds from sale of gold.

No definition available.

Name:	STEX_ProceedsFromSaleOfGold
Namespace Prefix:	STEX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of assets classified as other.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of current assets classified as other.

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- Definition

Amount of noncurrent assets classified as other.

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of income or gain included in net income that result in no cash inflow (outflow), classified as other.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from the purchase of mining and mining related assets during the period.

+ References

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=STEX_RestrictedGoldMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

OTHER ASSETS — GOLD (Details Narrative) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Feb. 05, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Feb. 28, 2026	Dec. 31, 2025
Purchase of gold assets				$ 14,375
Gold received in kind in settlement of gold lease income				88
Other assets held at cost - gold		$ 15,464		15,464
Cash proceeds	$ 26,410			26,410
Recognized gain sale of gold	2,938			2,938
Gold [Member]
Gold held at cost		1,000		1,000
Other assets held for sale							1,000
Restricted Gold [Member]
Other assets held for sale	$ 23,472						$ 23,472
Unrestricted [Member]
Other assets held for sale						$ 1,000