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Note 5 - Blanket Zimbabwe Indigenisation Transaction (Details Textual) - USD ($) $ in Thousands						6 Months Ended	9 Months Ended
		Jan. 20, 2020	Nov. 05, 2018	Jun. 23, 2017	Feb. 20, 2012	Jun. 30, 2024	Sep. 30, 2024
Statement Line Items [Line Items]
Proportion of ownership interests held by non-controlling interests					51.00%		36.00%
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity attributable to owners of parent					$ 30,090
Non-controlling interest, non-refundable donation					$ 1,000
Dividend loans, Percentage of dividend as payment of interest				80.00%	80.00%
Proportion of dividends declared accruing unconditionally					20.00%
Borrowings, interest rate				7.25%
Percentage of net assets recognised as NCI		13.20%			16.20%
Proportion of ownership interest acquired			15.00%
Number of instruments or interests issued or issuable for cancellation of loan (in shares)		727,266
Non-controlling interests derecognized		$ 3,600
Reserve of share-based payments, increase (decrease) during period		$ 2,247
Proportion of ownership interest in subsidiary		64.00%
NIEEF [member]
Statement Line Items [Line Items]
Proportion of ownership interests held by non-controlling interests					16.00%		16.00%
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity attributable to owners of parent					$ 11,740
Proportion of ownership interest sold					16.00%
Non-controlling interests recognised, dividends declared accruing unconditionally					20.00%
Fremiro [member]
Statement Line Items [Line Items]
Proportion of ownership interests held by non-controlling interests					15.00%
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity attributable to owners of parent					$ 11,010
Proportion of ownership interest sold					15.00%
Non-controlling interests recognised, dividends declared accruing unconditionally					20.00%
Non-controlling interests recognised, portion recognised to the extent net asset value exceeds faciliation loans					80.00%
BETS [member]
Statement Line Items [Line Items]
Proportion of ownership interests held by non-controlling interests	[1]						10.00%
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity attributable to owners of parent					$ 7,340
Proportion of ownership interest sold					10.00%	10.00%
Community Trust [member]
Statement Line Items [Line Items]
Proportion of ownership interests held by non-controlling interests					10.00%		10.00%
Proportion of ownership interest sold					10.00%
Non-controlling interests recognised, dividends declared accruing unconditionally					100.00%
Non-controlling interests recognised, portion recognised to the extent net asset value exceeds faciliation loans					80.00%
Non-controlling interests recognised, dividends declared accruing unconditionally employee participation					20.00%
[1] Accounted for under IAS19 Employee Benefits.

X

- Definition

Percentage of dividends paid to determine amount of interest to pay on dividend loans.

+ References

No definition available.

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X

- Definition

Amount of non-refundable donation paid by a subsidiary to a community trust.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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X

- Definition

NCI are recognised on the portion of shareholding upon which dividends declared accrue unconditionally to equity holders.

+ References

No definition available.

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X

- Definition

NCI are recognised on the portion of shareholding upon which dividends declared accrue unconditionally to equity holders with employee participation.

+ References

No definition available.

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- Definition

Percentage of NCI recognised to the extent that their attributable share of the net asset value of a subsidiary exceeds the balance on the facilitation loans including interest.

+ References

No definition available.

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- Definition

The number of instruments or interests issued or issuable for the cancellation of facilitation loan.

+ References

No definition available.

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X

- Definition

The percentage of net assets recognised as non-controlling interest.

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No definition available.

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X

- Definition

Percentage of dividends declared that accrue unconditionally to equity holders.

+ References

No definition available.

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X

- Definition

Percentage of ownership interests acquired during the period.

+ References

No definition available.

+ Details

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- Definition

Percentage of ownership interests sold during the period.

+ References

No definition available.

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X

- Definition

Represents amount of reserve of share-based payments increase (decrease) during period.

+ References

No definition available.

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- References

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X

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-IssueDate 2024-01-01
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- Definition

The increase (decrease) in equity attributable to owners of the parent through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Total for all subsidiaries [member]; Equity attributable to owners of parent]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2024-01-01
-Paragraph 18
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- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
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- Definition

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_c&doctype=Standard
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- Details

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