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							137,713,000	153,890,000		449,891,000		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%