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Acquisitions (Narrative) (Details) R / shares in Units, $ / shares in Units, R in Millions |  |  |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 11 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 01, 2024 USD ($) | Nov. 01, 2024 ZAR (R) | Oct. 01, 2024 USD ($) $ / shares shares | Oct. 01, 2024 ZAR (R) R / shares shares | May 07, 2024 USD ($) shares | May 07, 2024 ZAR (R) Item shares | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2025 USD ($) Item shares | Mar. 31, 2025 ZAR (R) Item R / shares shares | Mar. 31, 2024 USD ($) | Sep. 30, 2025 ZAR (R)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total cash paid |  |  |  |  |  |  |  |  |  | $ 24,161,000 |  |  |
Post-combination services expensed |  |  |  |  |  |  | $ 1,130,000 | $ 0 |  | 1,130,000 |  | $ 0 |
Adumo [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in acquisition | shares |  |  |  |  | 17,279,803 | 17,279,803 |  |  |  |  |  |  |
Value of common stock issued in business combination |  |  |  |  | $ 82,800,000 |  |  |  |  |  |  |  |
Total cash paid |  |  |  |  | 13,400,000 | R 232.2 |  |  |  |  |  |  |
Exchange rate |  |  |  |  |  | 17.3354 |  |  |  |  |  |  |
Business combination consideration transferred amount |  |  |  |  | $ 96,200,000 | R 1,670.0 |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  | 0 | 631,000 |  | 1,702,000 |  | 665,000 |
Closing price, per share | (per share) |  |  | $ 4.79 | R 83.05 |  |  |  |  |  |  |  |  |
Accrued acquisition transaction costs |  |  |  |  |  |  | 400,000 |  | $ 400,000 | 400,000 |  |  |
Business acquisition number of issuable number of shares | shares |  |  |  |  | 17,279,803 | 17,279,803 |  |  |  |  |  |  |
Deferred tax liabilities related to acquisition of intangible assets |  |  |  |  |  |  | 12,000,000.0 |  | 12,000,000.0 | 12,000,000.0 |  |  |
Deferred tax liability |  |  |  |  |  |  | 6,670,000 |  | 6,670,000 | 6,670,000 |  |  |
Crossfin [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in acquisition | shares |  |  | 2,601,410 | 2,601,410 |  |  |  |  |  |  |  |  |
Total cash paid |  |  | $ 12,000,000.0 | R 207.2 |  |  |  |  |  |  |  |  |
Business acquisition number of issuable number of shares | shares |  |  | 3,587,332 | 3,587,332 |  |  |  |  |  |  |  |  |
Number of merchants | Item |  |  |  |  |  | 120,200 |  |  |  |  |  |  |
Number of active consumers | Item |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |
Number of active merchants | Item |  |  |  |  |  | 23,000 |  |  |  |  |  |  |
Amount processes in cash card and VAS per year | R |  |  |  |  |  | R 270,000.0 |  |  |  |  |  |  |
IVAS Nam [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets identified related to acquisition |  |  |  |  |  |  | 0 |  | 0 | $ 0 |  |  |
IVAS Nam [Member] | Adumo AT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total cash paid | R |  |  |  |  |  |  |  |  |  |  | R 2.0 |  |
Number of tranches for acquisition payment | Item |  |  |  |  |  |  |  |  |  | 2 | 2 |  |
Business combination consideration transferred amount | $ 400,000 | R 6.0 |  |  |  |  |  |  |  |  |  |  |
Percentage of voting and economic interest acquired | 50.00% | 50.00% |  |  |  |  |  |  |  |  |  |  |
IVAS Nam [Member] | Scenario Forecast [Member] | Adumo AT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total cash paid | R |  |  |  |  |  |  |  |  |  |  |  |  | R 4.0
IVAS Nam, Genisus Risk and Master Fuel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Pro forma revenue |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |
Pro forma net income |  |  |  |  |  |  |  |  |  | 100,000 |  |  |
Adumo and Recharger [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Pro forma revenue |  |  |  |  |  |  | 163,493,000 | 153,890,000 |  | 513,091,000 |  | 466,873,000 |
Pro forma net income |  |  |  |  |  |  | (21,810,000) | (3,292,000) |  | (56,292,000) |  | (23,846,000) |
Revenue since the closing of the acquisitions |  |  |  |  |  |  |  |  |  | 32,200,000 |  |  |
Net income since the closing of the acquisition |  |  |  |  |  |  |  |  |  | $ 680,000 |  |  |
2025 Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Minority discount to calculate fair value of noncontrolling interest |  |  |  |  |  |  |  |  |  | 20.00% | 20.00% |  |
Fair value of noncontrolling interests |  |  |  |  |  |  | 7,600,000 |  | 7,600,000 | $ 7,600,000 |  |  |
Deferred tax liability |  |  |  |  |  |  | 11,327,000 |  | 11,327,000 | 11,327,000 |  |  |
Recharger [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Value of common stock issued in business combination |  |  |  |  |  |  |  |  |  | 9,400,000 | R 175.0 |  |
Total cash paid |  |  |  |  |  |  |  |  |  | 17,600,000 | 328.4 |  |
Business combination consideration transferred amount |  |  |  |  |  |  |  |  |  | 27,000,000.0 | R 503.4 |  |
Acquisition related costs |  |  |  |  |  |  | 92,000 | $ 0 | 250,000 | 342,000 |  | $ 0 |
Deferred tax liability |  |  |  |  |  |  | 4,638,000 |  | $ 4,638,000 | $ 4,638,000 |  |  |
Agreement term with chief executive officer for transition |  |  |  |  |  |  |  |  |  | 12 months | 12 months |  |
Contribution to repay loan of acquiree |  |  |  |  |  |  |  |  |  | $ 2,300,000 | R 43.1 |  |
Post-combination services expensed |  |  |  |  |  |  | $ 1,100,000 |  |  | 1,100,000 |  |  |
Recharger [Member] | Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Value of common stock issued in business combination |  |  |  |  |  |  |  |  |  | 5,300,000 | 98.3 |  |
Total cash paid |  |  |  |  |  |  |  |  |  | $ 8,200,000 | 153.4 |  |
Exchange rate |  |  |  |  |  |  | 18.63 |  | 18.63 | 18.63 |  |  |
Business combination consideration transferred amount |  |  |  |  |  |  |  |  |  | $ 15,800,000 | R 294.8 |  |
Closing price, per share | R / shares |  |  |  |  |  |  |  |  |  |  | R 90.00 |  |
Business acquisition number of issuable number of shares | shares |  |  |  |  |  |  |  |  |  | 1,092,361 | 1,092,361 |  |
Contribution to repay loan of acquiree |  |  |  |  |  |  |  |  |  | $ 2,300,000 | R 43.1 |  |
Gain in additional paid-in-capital on common stock value |  |  |  |  |  |  |  |  |  | 400,000 |  |  |
Recharger [Member] | Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Value of common stock issued in business combination |  |  |  |  |  |  |  |  |  | 4,000,000.0 | 75.0 |  |
Total cash paid |  |  |  |  |  |  |  |  |  | 9,400,000 | 175.0 |  |
Master Fuel [Member] | CCMS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total cash paid |  |  |  |  |  |  |  |  |  | $ 100,000 | 2.0 |  |
Percentage of voting and economic interest acquired |  |  |  |  |  |  | 100.00% |  | 100.00% | 100.00% |  |  |
Genisus Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total cash paid |  |  |  |  |  |  |  |  |  | $ 100,000 | R 2.0 |  |
Percentage of voting and economic interest acquired |  |  |  |  |  |  | 100.00% |  | 100.00% | 100.00% |  |  |

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