Revenue Recognition (Revenue Disaggregated By Major Revenue Streams) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 35,202	$ 28,828	$ 100,820	$ 96,269
Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	16,429	16,236	50,232	47,867
Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	18,376	12,171	49,368	45,547
All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	397	421	1,220	2,855
Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	15,608	14,410	48,388	46,669
Processing Fees [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	7,075	7,179	22,535	23,318
Processing Fees [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	8,136	6,810	24,633	20,496
Processing Fees [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	397	421	1,220	2,855
Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,862	2,945	6,169	10,515
Telecom Products And Services [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Telecom Products And Services [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,862	2,945	6,169	10,515
Telecom Products And Services [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Account Holder Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,434	1,414	4,255	3,870
Account Holder Fees [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,434	1,414	4,255	3,870
Account Holder Fees [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Account Holder Fees [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Lending Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	5,614	5,474	16,171	14,962
Lending Revenue [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	5,614	5,474	16,171	14,962
Lending Revenue [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Lending Revenue [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	7,917	2,266	16,103	13,881
Technology Products [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	40	87	252	158
Technology Products [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	7,877	2,179	15,851	13,723
Technology Products [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Insurance Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,169	1,709	6,396	4,779
Insurance Revenue [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,169	1,709	6,396	4,779
Insurance Revenue [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Insurance Revenue [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	598	610	3,338	1,593
Other [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	97	373	623	780
Other [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	501	237	2,715	813
Other [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
South Africa [Member]
Disaggregation of Revenue [Line Items]
Revenues	34,805	28,407	99,600	93,414
South Africa [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	16,429	16,236	50,232	47,867
South Africa [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	18,376	12,171	49,368	45,547
South Africa [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
South Africa [Member] | Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	15,211	13,989	47,168	43,814
South Africa [Member] | Processing Fees [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	7,075	7,179	22,535	23,318
South Africa [Member] | Processing Fees [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	8,136	6,810	24,633	20,496
South Africa [Member] | Processing Fees [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Rest Of World [Member]
Disaggregation of Revenue [Line Items]
Revenues	397	421	1,220	2,855
Rest Of World [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Rest Of World [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Rest Of World [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	397	421	1,220	2,855
Rest Of World [Member] | Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	397	421	1,220	2,855
Rest Of World [Member] | Processing Fees [Member] | Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Rest Of World [Member] | Processing Fees [Member] | Merchant [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Rest Of World [Member] | Processing Fees [Member] | All Others [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 397	$ 421	$ 1,220	$ 2,855