Document And Entity Information - shares	9 Months Ended
	Mar. 31, 2020	May 25, 2020
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2020
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity File Number	000-31203
Entity Registrant Name	NET 1 UEPS TECHNOLOGIES INC
Entity Incorporation State Country Code	FL
Entity Tax Identification Number	98-0171860
Entity Address Line One	President Place, 4th Floor
Entity Address Line Two	Cnr. Jan Smuts Avenue and Bolton Road
Entity Address, City or Town	Rosebank, Johannesburg 2196
Entity Address Country	ZA
City Area Code	27
Local Phone Number	11-343-2000
Title of 12(b) Security	Common stock, par value $0.001 per share
Trading Symbol	UEPS
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001041514
Amendment Flag	false
Entity Common Stock, Shares Outstanding		57,118,925